mouryat9/CogBench huggingface dataset:
Subject: chemistry
Question: Visit thisdensity simulationand click the “turn fluid into water” button to adjust the density of liquid in the beaker to 1.00 g/mL. Change the block material to foam, and then wait patiently until the foam block stops bobbing up and down in the water. (a) The foam block should be floating on the surface of the water (that is, only partially submerged). What is the volume of water displaced?(b) Use the water volume from part (a) and the density of water (1.00 g/mL) to calculate the mass of water displaced.(c) Remove and weigh the foam block. How does the block’s mass compare to the mass of displaced water from part (b)?
Subject: physics
Question: Examine different types of shoes, including sports shoes and thongs. In terms of physics, why are the bottom surfaces designed as they are? What differences will dry and wet conditions make for these surfaces?
Subject: philosophy
Question: For social ecologists, what is the root cause of most of our environmental problems?
Subject: chemistry
Question: A photon of light produced by a surgical laser has an energy of 3.027 \times 10 −19 J. Calculate the frequency and wavelength of the photon. What is the total energy in 1 mole of photons? What is the color of the emitted light?
Subject: physics
Question: Four charged particles are positioned at the corners of a parallelogram as shown below. If q = 5.0\ \mu\text{C} and Q = 8.0\ \mu\text{C}, what is the net force on _q_ ?
Subject: physics
Question: Professional Application It is possible for the velocity of a rocket to be greater than the exhaust velocity of the gases it ejects. When that is the case, the gas velocity and gas momentum are in the same direction as that of the rocket. How is the rocket still able to obtain thrust by ejecting the gases?
Subject: biology
Question: Denaturation implies the loss of the __________ and __________ structures without the loss of the __________ structure.
Subject: sociology
Question: In which type or types of societies do the benefits seem to outweigh the costs? Explain your answer, and cite social and economic reasons.
Subject: physics
Question: A well-thrown ball is caught in a well-padded mitt. If the deceleration of the ball is 2\text{.}\text{10} \times \text{10}^{4}\ \text{m/s}^{2} , and 1.85 ms ({\text{1 ms} = \text{10}^{- 3}}\ \text{s}) elapses from the time the ball first touches the mitt until it stops, what was the initial velocity of the ball?
Subject: physics
Question: Some stove tops are smooth ceramic for easy cleaning. If the ceramic is 0.600 cm thick and heat conduction occurs through a 14 cm radius and at a rate of 2256 W, what is the temperature difference across it? Ceramic has the same thermal conductivity as glass and brick.
Subject: computer_science
Question: Which feature of a global information system can help organizations improve decision-making, be more efficient, and identify new business prospects?
Subject: biology
Question: Most of the body’s calcium is found in ________.
Subject: biology
Question: What is the function of a phosphatase?
Subject: physics
Question: Why does a standing wave form on a guitar string?
Subject: physics
Question: Does the resonant frequency of an AC circuit depend on the peak voltage of the AC source? Explain why or why not.
Subject: computer_science
Question: How does an organization view information technology as a strategic partner driving innovation and new revenue opportunities?
Subject: mathematics
Question: Write the interval notation for the set of numbers represented by \left\\{ {x\left| {x \leq 9} \right.} \right\\}.
Subject: physics
Question: A child sleds down a hill and collides at 5.6 m/s into a stationary sled that is identical to his. The child is launched forward at the same speed, leaving behind the two sleds that lock together and slide forward more slowly. What is the speed of the two sleds after this collision?
Subject: chemistry
Question: Calculate the pH at the following points in a titration of 40 mL (0.040 L) of 0.100Mbarbituric acid (Ka= 9.8××10−5) with 0.100MKOH. (a) no KOH added (b) 20 mL of KOH solution added (c) 39 mL of KOH solution added (d) 40 mL of KOH solution added (e) 41 mL of KOH solution added
Subject: computer_science
Question: Explain the different phases of code improvement.
Subject: mathematics
Question: The number of siblings of a group of students: 2 , 0 , 3 , 2 , 4 , 1 , 6 , 5 , 4 , 1 , 2 , 3
Subject: psychology
Question: One type of short-term memory is ________, which refers to information that is temporarily stored, used, and then discarded.
Subject: history
Question: Which of the following groups supported the abolition of slavery? northern business elitessouthern planter eliteswage workersmiddle-class northerners
Subject: computer_science
Question: You are designing robots using biomimetic robotics. The robots will be used to assist individuals with mobility issues as they perform gardening tasks, such as watering and weeding flowers. Be creative and discuss two animals whose habits you will use as guidance as you develop the principles of design for this robot gardener.
Subject: biology
Question: Foreign particles circulating in the blood are filtered by the ________.
Subject: physics
Question: A particle moves along the _x-_ axis according to x(t) = 10t - 2t^{2}\ \text{m} . (a) What is the instantaneous velocity at _t_ = 2 s and _t_ = 3 s? (b) What is the instantaneous speed at these times? (c) What is the average velocity between _t_ = 2 s and _t_ = 3 s?
Subject: chemistry
Question: Determine the following to four significant figures: (a) the percent composition of hydrazoic acid, HN3 (b) the percent composition of TNT, C6H2(CH3)(NO2)3 (c) the percent of SO42–in Al2(SO4)3
Subject: psychology
Question: Stress can be studied:
Subject: physics
Question: A powerful motorcycle can produce an acceleration of 3.50\ \text{m/s}^{2} while traveling at 90.0 km/h. At that speed, the forces resisting motion, including friction and air resistance, total 400.0 N. (Air resistance is analogous to air friction. It always opposes the motion of an object.) What is the magnitude of the force that motorcycle exerts backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 245 kg?
Subject: biology
Question: When a person leads a sedentary life his skeletal muscles atrophy, but his smooth muscles do not. Why?
Subject: biology
Question: Which of the following bacteria are the most prevalent in the human gut?    A. cyanobacteria   B. staphylococci   C. _Borrelia_   D. _Bacteroides_
Subject: computer_science
Question: Explain the difference between data structures and abstract data types.
Subject: mathematics
Question: \frac{4^{5}}{4^{3}}
Subject: chemistry
Question: Predict the product of burning francium in air.
Subject: physics
Question: Find the north and east components of the displacement from San Francisco to Sacramento shown in [Figure 3.54](3-problems-exercises#import-auto- id1165298797444) .  Figure 3.54
Subject: economics
Question: In the late 1990s, the U.S. government moved from a budget deficit to a budget surplus and the trade deficit in the U.S. economy grew substantially. Using the national saving and investment identity, what can you say about the direction in which saving and/or investment must have changed in this economy?
Subject: physics
Question: A wrecking ball is being used to knock down a building. One tall unsupported concrete wall remains standing. If the wrecking ball hits the wall near the top, is the wall more likely to fall over by rotating at its base or by falling straight down? Explain your answer. How is it most likely to fall if it is struck with the same force at its base? Note that this depends on how firmly the wall is attached at its base.
Subject: mathematics
Question: Use logarithms to find the exact solution for 3e^{6n - 2} + 1 = - |. If there is no solution, write _no solution_ .
Subject: economics
Question: When a monopolist identifies its profit-maximizing quantity of output, how does it decide what price to charge?
Subject: biology
Question: Describe the role of negative feedback in the function of the parathyroid gland.
Subject: history
Question: Which of the following is a cause of the stock market crash of 1929?    A. too many people invested in the market   B. investors made risky investments with borrowed money   C. the federal government invested heavily in business stock   D. World War I created optimal conditions for an eventual crash
Subject: psychology
Question: What is the difference between molecular genetics and epigenetics?
Subject: chemistry
Question: Hydrogen is prepared commercially by the reaction of methane and water vapor at elevated temperatures. CH4(g)+H2O(g)⇌3H2(g)+CO(g)CH4(g)+H2O(g)⇌3H2(g)+CO(g) What is the equilibrium constant for the reaction if a mixture at equilibrium contains gases with the following concentrations: CH4, 0.126M; H2O, 0.242M; CO, 0.126M; H21.15M, at a temperature of 760 °C?
Subject: nursing
Question: Which of the following is an example of a negative feedback loop in the human body?
Subject: mathematics
Question: ~p→q↔r
Subject: economics
Question: List some advantages and disadvantages of the different exchange rate policies.
Subject: mathematics
Question: You are putting together a social committee for your club. You’d like broad representation, so you will choose one person from each class. If there are 8 seniors, 12 juniors, 10 sophomores, and 6 first-years, how many committees are possible?
Subject: physics
Question: An unknown planet at a distance of 10^{12}\text{m} from Earth is observed by a telescope that has a focal length of the eyepiece of 1 cm and a focal length of the objective of 1 m. If the far away planet is seen to subtend an angle of 10^{-5}\ \text{radian} at the eyepiece, what is the size of the planet?
Subject: physics
Question: (a) What is the minimum width of a single slit (in multiples of \lambda ) that will produce a first minimum for a wavelength \lambda ? (b) What is its minimum width if it produces 50 minima? (c) 1000 minima?
Subject: business
Question: What is the average rate of return for the values that follow? 1.0, 2.0, 1.5
Subject: physics
Question: How far from the center of the Sun would the net gravitational force of Earth and the Sun on a spaceship be zero?
Subject: physics
Question: The electric field in a region is pointed away from the z-axis and the magnitude depends upon the distance _s_ from the axis. The magnitude of the electric field is given as E = \frac{\alpha}{s} where \alpha is a constant. Find the potential difference between points P_{1}\ \text{and}\ P_{2} , explicitly stating the path over which you conduct the integration for the line integral.
Subject: computer_science
Question: How do cloud-based databases benefit mobile applications?
Subject: biology
Question: In a direct fluorescent antibody test, which of the following would we most likely be looking for using a fluorescently-labeled mAb?    A. bacteria in a patient sample   B. bacteria isolated from a patient and grown on agar plates   C. antiserum from a patient smeared onto a glass slide   D. antiserum from a patient that had bound to antigen-coated beads
Subject: economics
Question: What is the risk if a bank does not diversify its loans?
Subject: sociology
Question: Pick a common illness and describe which parts of it are medically constructed, and which parts are socially constructed.
Subject: chemistry
Question: Carborundum is silicon carbide, SiC, a very hard material used as an abrasive on sandpaper and in other applications. It is prepared by the reaction of pure sand, SiO 2 , with carbon at high temperature. Carbon monoxide, CO, is the other product of this reaction. Write the balanced equation for the reaction, and calculate how much SiO 2 is required to produce 3.00 kg of SiC.
Subject: physics
Question: Suppose that the average velocity (v_{\text{rms}}) of carbon dioxide molecules (molecular mass is equal to 44.0 g/mol) in a flame is found to be 1\text{.}\text{05} \times \text{10}^{5}\ \text{m/s} . What temperature does this represent?
Subject: computer_science
Question: What is the main benefit of electronic health record systems in health care?
Subject: business
Question: [LO 10.1](10-1-describe-and-demonstrate-the-basic-inventory-valuation-methods- and-their-cost-flow-assumptions) When inventory items are highly specialized, the best inventory costing method is ________.    A. specific identification   B. first-in, first-out   C. last-in, first-out   D. weighted average
Subject: physics
Question: The angular velocity of a flywheel with radius 1.0 m varies according to \omega(t) = 2.0t . Plot a_{\text{c}}(t)\ \text{and}\ a_{\text{t}}(t) from t = \text{0 to 3.0 s} for r = 1.0\ \text{m} . Analyze these results to explain when a_{\text{c}} \gg a_{\text{t}} and when a_{\text{c}} \ll a_{\text{t}} for a point on the flywheel at a radius of 1.0 m.
Subject: biology
Question: Cycads are considered endangered species and their trade is severely restricted. Customs officials stop suspected smugglers, who claim that the plants in their possession are palm trees and not cycads. How would a botanist distinguish between the two types of plants?
Subject: nursing
Question: The nurse is assessing a client for gastrointestinal wellness. Which action should the nurse complete to assess the gastrointestinal system?
Subject: astronomy
Question: Astronomers recently detected light emitted by a supernova that was originally observed in 1572, just reaching Earth now. This light was reflected off a dust cloud; astronomers call such a reflected light a “light echo” (just like reflected sound is called an echo). How would you expect the spectrum of the light echo to compare to that of the original supernova?
Subject: sociology
Question: Learning from classmates that most students buy lunch on Fridays is an example of ________.
Subject: physics
Question: When would 100 percent thermal efficiency be possible?
Subject: mathematics
Question: \frac{5a + 3}{3a - 2}
Subject: philosophy
Question: What is the difference between absolute and constitutional monarchy?
Subject: history
Question: Which of the following did the settlement house movement offer as a means of relief for working-class women? childcarejob opportunitiespolitical advocacyrelocation services
Subject: physics
Question: What is the dominant force between astronomical objects? Why are the other three basic forces less significant over these very large distances?
Subject: philosophy
Question: How does postmodernity differ from modernity?
Subject: computer_science
Question: The GDPR and the CCPA are two major data privacy regulations implemented in the European Union and California, respectively. What are the key rights these regulations provide to individuals, and what are their implications for businesses?
Subject: physics
Question: (a) What is the volume (in \text{km}^{3}{} ) of Avogadro’s number of sand grains if each grain is a cube and has sides that are 1.0 mm long? (b) How many kilometers of beaches in length would this cover if the beach averages 100 m in width and 10.0 m in depth? Neglect air spaces between grains.
Subject: biology
Question: The periodontal ligaments are made of collagen fibers and are responsible for connecting the roots of the teeth to the jaws. Describe how scurvy, a disease that inhibits collagen production, can affect the teeth.
Subject: business
Question: A joint venture ________. must be a corporationcan choose to be any type of entitymust be either a partnership or a C corporationNone of these choices are correct
Subject: biology
Question: What is the total magnification of a specimen that is being viewed with a standard ocular lens and a 40⨯ objective lens?
Subject: chemistry
Question: The pressure of a sample of gas is measured at sea level with an open-end mercury manometer. Assuming atmospheric pressure is 760 mm Hg, determine the pressure of the gas in: (a) mm Hg (b) atm (c) kPa
Subject: physics
Question: Given the potential difference between two points and the distance between the points, how can you obtain the electric field between the points?
Subject: biology
Question: The DNA sequence, to which repressors may bind, that lies between the promoter and the first structural gene is called the ________.
Subject: mathematics
Question: Find the linear function y , where y depends on x , the number of years since 1980.
Subject: psychology
Question: Chronic sleep deprivation appears to damage brain tissue in the ________ and ________, producing problems with working memory, attention, and numerical processing.
Subject: computer_science
Question: How does the identification of emerging trends in cybersecurity help to create a cyber-resilient information system?
Subject: mathematics
Question: \frac{1}{z - 5} + \frac{1}{z + 5} = \frac{1}{z^{2} - 25}
Subject: economics
Question: Does Say’s law apply more accurately in the long run or the short run? What about Keynes’ law?
Subject: computer_science
Question: In which type of organization would a Certified Information Security Manager (CISM) certification be especially beneficial for career advancement?
Subject: biology
Question: Farmers continually rotate the crops grown in different fields to maintain nutrients in the soil. How would planting soybeans in a field the year after the field was used to grow carrots help maintain nitrogen in the soil?
Subject: physics
Question: A particle of mass _m_ and charge \text{−}q moves along a straight line away from a fixed particle of charge _Q_ . When the distance between the two particles is r_{0},\text{−}q is moving with a speed v_{0}. (a) Use the work- energy theorem to calculate the maximum separation of the charges. (b) What do you have to assume about v_{0} to make this calculation? (c) What is the minimum value of v_{0} such that \text{−}q escapes from _Q_ ?
Subject: biology
Question: Studying the embryonic development of the nervous system makes it easier to understand the complexity of the adult nervous system. Give one example of how development in the embryonic nervous system explains a more complex structure in the adult nervous system.
Subject: psychology
Question: What age range was theorized to serve as a "second adulthood" for women by write Gail Sheehy?
Subject: biology
Question: The formation of ________ is a positive result in the VDRL test.    A. flocculant   B. precipitin   C. coagulation   D. a bright pink color
Subject: biology
Question: Which of the following isnota true statement comparing exoskeletons and endoskeletons?
Subject: physics
Question: (a) Using the symmetry of the arrangement, determine the direction of the electric field at the center of the square in [Figure 18.49](18-problems- exercises#import-auto-id2617305) , given that {{q_{a} = q_{b}} = {- 1}}\text{.}\text{00}\ \text{μC} and {q_{c} = q_{d}}\text{=+}1\text{.}\text{00}\ \text{μC} . (b) Calculate the magnitude of the electric field at the location of q , given that the square is 5.00 cm on a side.
Subject: biology
Question: Describe the process that results in the formation of a tetrad.
Subject: business
Question: LO15.3What types of bases for dividing partnership net income or net loss are available?
Subject: computer_science
Question: In the context of data science reporting, what are the benefits of using a version control system, and how does it contribute to the report's quality and reliability?
Subject: biology
Question: Where are most fat-digesting enzymes produced?
Subject: mathematics
Question: f(x) = x^{2} + 2
Subject: physics
Question: A dam is used to hold back a river. The dam has a height H = 12\ \text{m} and a width W = 10\ \text{m}\text{.} Assume that the density of the water is \rho = 1000\ \text{kg/m}^{3}. (a) Determine the net force on the dam. (b) Why does the thickness of the dam increase with depth?
Subject: mathematics
Question: \left( {15xy^{3} - 35x^{2}y} \right) \div 5xy
Subject: economics
Question: How can pork-barrel spending occur in a situation of majority voting when it benefits only a small group?
Subject: mathematics
Question: For the following exercise, use GraphsAandKin Figure 12.369.
Determine the chromatic number of GraphK. Give a coloring that supports your conclusion.
Subject: biology
Question: After you eat lunch, nerve cells in your stomach respond to the distension (the stimulus) resulting from the food. They relay this information to ________.
Subject: physics
Question: What is the difference between a base unit and a derived unit? (b) What is the difference between a base quantity and a derived quantity? (c) What is the difference between a base quantity and a base unit?
Subject: mathematics
Question: \left\\{ {\left( {-3,27} \right),\left( {-2,8} \right),\left( {-1,1} \right),} \right.   \left. {\left( {0,0} \right),\left( {1,1} \right),\left( {2,8} \right),\left( {3,27} \right)} \right\\}
Subject: economics
Question: What is the primary way in which economists measure standards of living?
Subject: business
Question: LO2.3Explain how the high-low method is used for cost estimation. What, if any, are the limitations of this approach to cost estimation?
Subject: astronomy
Question: Sam, a college student, just bought a new car. Sam’s friend Adam, a graduate student in astronomy, asks Sam for a ride. In the car, Adam remarks that the colors on the temperature control are wrong. Why did he say that? Figure17.17(credit: modification of work by Michael Sheehan)
Subject: psychology
Question: How does the United States compare to similarly affluent countries in its health-care costs and life expectancy?
Subject: mathematics
Question: ⓐ \left( \begin{array}{l} 1 \\\ 1 \end{array} \right)   ⓑ \left( \begin{array}{l} 15 \\\ 15 \end{array} \right)   ⓒ \left( \begin{array}{l} 4 \\\ 0 \end{array} \right)   ⓓ \left( \begin{array}{l} 11 \\\ 2 \end{array} \right)
Subject: computer_science
Question: You are writing a class that has been identified as a key object of the system; therefore, only one can exist in the system. What type of design pattern should you take to design the class?
Subject: biology
Question: The genotype XXY corresponds to:
Subject: business
Question: LO13.2Identify four different stakeholders in need of sustainability information and show how their actions might affect a business.
Subject: biology
Question: Describe the function of these terms and describe where they are located: main bronchus, trachea, alveoli, and acinus.
Subject: business
Question: Outline the stages of the business cycle.
Subject: biology
Question: In gel electrophoresis of DNA, the different bands in the final gel form because the DNA molecules ________.
Subject: mathematics
Question: x=t2,x=t2,y=ln(t),y=ln(t),0≤t≤e0≤t≤e
Subject: economics
Question: Would you expect total utility to rise or fall with additional consumption of a good? Why?
Subject: biology
Question: The bonding of calcium, phosphorus, and other elements produces mineral crystals that are found in bone. This is an example of a(n) ________ reaction.
Subject: biology
Question: The ovaries and the testes are a part of which body system? Can these organs be members of more than one organ system? Why or why not?
Subject: physics
Question: When is angular acceleration negative?
Subject: business
Question: What is defined as the thing your organization does that people will pay for or contribute to? earnings statementprofit propositionvalue for revenue proposalvalue proposition
Subject: nursing
Question: A nurse is reviewing the medication regimen of a client with asthma. The client is prescribed theophylline, a xanthine derivative. The nurse understands that theophylline is primarily used for what particular purpose?
Subject: chemistry
Question: Calculate the mole fraction of each solute and solvent: (a) 0.710 kg of sodium carbonate (washing soda), Na 2 CO 3 , in 10.0 kg of water—a saturated solution at 0 °C (b) 125 g of NH 4 NO 3 in 275 g of water—a mixture used to make an instant ice pack (c) 25 g of Cl 2 in 125 g of dichloromethane, CH 2 Cl 2 (d) 0.372 g of tetrahydropyridine, C 5 H 9 N, in 125 g of chloroform, CHCl 3
Subject: computer_science
Question: What is the term used for properly crediting and acknowledging the sources of data in data science and research?
Subject: biology
Question: Which of the following isunderlinenotend underlinea way that humans have increased the carrying capacity of the environment?
Subject: biology
Question: A cation has a(n) ________ charge.
Subject: physics
Question: Calculate the wavelength of light that produces its first minimum at an angle of 36.9\text{°} when falling on a single slit of width 1.00\ \mu\text{m} .
Subject: sociology
Question: Given what we know about population growth, what do you think of China’s policy that limits the number of children a family can have? Do you agree with it? Why, or why not? What other ways might a country of over 1.3 billion people manage its population?
Subject: economics
Question: What are the factor payments for land, labor, and capital?
Subject: mathematics
Question: y = 2x^{2} - 4x - 2
Subject: chemistry
Question: Give the hybridization of xenon in each of the following. You may wish to review the chapter on the advanced theories of covalent bonding. (a) XeF 2 (b) XeF 4 (c) XeO 3 (d) XeO 4 (e) XeOF 4
Subject: chemistry
Question: Write balanced chemical equations for the following reactions: (a) metallic aluminum burned in air (b) elemental aluminum heated in an atmosphere of chlorine (c) aluminum heated in hydrogen bromide gas (d) aluminum hydroxide added to a solution of nitric acid
Subject: business
Question: LO3.4What is the effect on the accounting equation when a business pays the balance due on accounts payable?
Subject: physics
Question: A motorcycle that is slowing down uniformly covers 2.0 successive km in 80 s and 120 s, respectively. Calculate (a) the acceleration of the motorcycle and (b) its velocity at the beginning and end of the 2-km trip.
Subject: biology
Question: A ________ cancer vaccine is one that will help to treat the disease after it has occurred.
Subject: economics
Question: According toTable 19.7, how long has the average recession lasted since the end of World War II?
Subject: physics
Question: The following lengths are given in meters. Use metric prefixes to rewrite them so the numerical value is bigger than one but less than Ш. For example, 7.9\ \times \ 10^{-2}\text{m} could be written either as 7.9 cm or 79 mm. (a) 7.59\ \times \ 10^{7}\text{m;} (b) 0.0074 m; (c) 8.8\ \times \ 10^{-11}\text{m;} (d) 1.63\ \times \ 10^{13}\text{m.}
Subject: psychology
Question: Compare the personalities of someone who has high self-efficacy to someone who has low self-efficacy.
Subject: physics
Question: (a) Find the length of an organ pipe closed at one end that produces a fundamental frequency of 256 Hz when air temperature is 18.0ºC . (b) What is its fundamental frequency at 25.0ºC ?
Subject: physics
Question: What radioisotope could be a problem in homes built of cinder blocks made from uranium mine tailings? (This is true of homes and schools in certain regions near uranium mines.)
Subject: mathematics
Question: The number of tickets for a music fundraiser varies inversely with the price of the tickets. If Madelyn has just enough money to purchase 12 tickets for $6, how many tickets can Madelyn afford to buy if the price increased to $8?
Subject: physics
Question: If the cosmic microwave background radiation (CMBR) is the remnant of the Big Bang’s fireball, we expect to see hot and cold regions in it. What are two causes of these wrinkles in the CMBR? Are the observed temperature variations greater or less than originally expected?
Subject: mathematics
Question: The data are the prices of different laptops at an electronics store. Round each value to the nearest ten.249, 249, 260, 265, 265, 280, 299, 299, 309, 319, 325, 326, 350, 350, 350, 365, 369, 389, 409, 459, 489, 559, 569, 570, 610
Subject: mathematics
Question: Solve the formula P = 2L + 2W for W.
Subject: physics
Question: A 4.0-kg particle moving along the _x_ -axis is acted upon by the force whose functional form appears below. The velocity of the particle at x = 0 is v = 6.0\ \text{m/s}. Find the particle’s speed at x = \left( \text{a} \right)2.0\ \text{m},\left( \text{b} \right)4.0\ \text{m},\left( \text{c} \right)10.0\ \text{m},\left( \text{d} \right) Does the particle turn around at some point and head back toward the origin? (e) Repeat part (d) if v = 2.0\ \text{m/s}\ \text{at}\ x = 0.
Subject: physics
Question: How far from a straight wire carrying 0.45 A is the magnetic field strength 0.040 T?
Subject: mathematics
Question: A math teacher wants to see if two of their classes have the same distribution of test scores. What test should they use?
Subject: sociology
Question: When the League of Women Voters successfully achieved its goal of women being allowed to vote, they had to undergo frame __________, a means of completely changing their goals to ensure continuing relevance.
Subject: mathematics
Question: A city purchased five new firetrucks and apportioned them among the existing fire stations. Although your neighborhood fire station has the same proportion of the city’s firetrucks as before the new ones were purchased, it now has one fewer. Is this scenario an example of a quota rule violation, the Alabama paradox, the population paradox, the new-states paradox, or none of these?
Subject: astronomy
Question: Interview a sample of 20 people who are not taking an astronomy class and ask them if they can name a living astronomer. What percentage of those interviewed were able to name one? Typically, the most publicly well-known living astronomer these days is Neil deGrasse Tyson. Why is he better known than most astronomers? How would your result have differed if you had asked the same people to name a movie star or a professional basketball player?
Subject: economics
Question: What is the formula for the money multiplier?
Subject: biology
Question: Which group of flatworms are primarily ectoparasites of fish?
Subject: mathematics
Question: 2x + 3y = 12
Subject: sociology
Question: The “tragedy of the commons” is a reference to what?
Subject: physics
Question: What is the focal length of a makeup mirror that produces a magnification of 1.50 when a person’s face is 12.0 cm away? Explicitly show how you follow the steps in the [Problem-Solving Strategy for Mirrors](25-7-image-formation-by- mirrors) .
Subject: physics
Question: If both the moment of inertia and the angular velocity of a system increase, what must be true of the force acting on the system?
Subject: business
Question: [LO 11.1](11-1-distinguish-between-tangible-and-intangible-assets) The legal protection that provides a company exclusive rights to produce and sell a unique product is known as which of the following?    A. trademark   B. copyright   C. patent   D. goodwill
Subject: mathematics
Question: \int\limits_{0}^{1}\ {\int\limits_{y}^{1}{xye^{x^{2}}dx\ dy}}
Subject: history
Question: The country that Iraq invaded to trigger the crisis that resulted in the Persian Gulf War was ________. JordanKuwaitSaudi ArabiaIran
Subject: mathematics
Question: 1 teacher to 18 students is the same as 23 teachers to 414 students.
Subject: nursing
Question: The nurse is teaching a client with a respiratory disorder that they may have no symptoms initially but will gradually experience shortness of breath with normal day-to-day activities. Which condition is the nurse describing?
Subject: physics
Question: Can one-dimensional motion be described with a zero distance traveled but nonzero displacement. Conversely, can it be described with zero displacement but a nonzero distance traveled?
Subject: biology
Question: When the microbial balance of the vagina is disrupted, leading to overgrowth of resident bacteria without necessarily causing inflammation, the condition is called _____.
Subject: mathematics
Question: Iff′(c)=0,f′(c)=0,there is a maximum or minimum atx=c.x=c.
Subject: biology
Question: What two products result from photosynthesis?
Subject: physics
Question: A 120-V, series-wound motor has a field resistance of 80 \text{Ω} and an armature resistance of 10 \text{Ω} . When it is operating at full speed, a back emf of 75 V is generated. (a) What is the initial current drawn by the motor? When the motor is operating at full speed, where are (b) the current drawn by the motor, (c) the power output of the source, (d) the power output of the motor, and (e) the power dissipated in the two resistances?
Subject: psychology
Question: What is the relationship between age and the likelihood of experiencing anxiety and depression?
Subject: physics
Question: When sound passes from one medium to another where its propagation speed is different, does its frequency or wavelength change? Explain your answer briefly.
Subject: chemistry
Question: Which is the stronger base, (CH3)3N orH2BO3−?H2BO3−?
Subject: astronomy
Question: Research the Galileo mission. What technical problems occurred between the mission launch and the arrival of the craft in Jupiter’s system, and how did the mission engineers deal with them? (Good sources of information includeAstronomyandSky & Telescopearticles, plus the mission website.)
Subject: sociology
Question: A convicted sexual offender is released on parole and arrested two weeks later for repeated sexual crimes. How would labeling theory explain this?
Subject: mathematics
Question: You are testing that the mean speed of your cable Internet connection is more than three Megabits per second. What is the random variable? Describe in words.
Subject: biology
Question: Which of the following scientists experimented with raw meat, maggots, and flies in an attempt to disprove the theory of spontaneous generation?    A. Aristotle   B. Lazzaro Spallanzani   C. Antonie van Leeuwenhoek   D. Francesco Redi
Subject: physics
Question: Calculate the number of moles in the 2.00-L volume of air in the lungs of the average person. Note that the air is at 37.0\ \text{°}\text{C} (body temperature) and that the total volume in the lungs is several times the amount inhaled in a typical breath as given in [Example 2.2](2-1-molecular- model-of-an-ideal-gas) .
Subject: economics
Question: In the Keynesian framework, which of the following events might cause a recession? Which might cause inflation? Sketch AD/AS diagrams to illustrate your answers.    A. A large increase in the price of the homes people own.   B. Rapid growth in the economy of a major trading partner.   C. The development of a major new technology offers profitable opportunities for business.   D. The interest rate rises.   E. The good imported from a major trading partner become much less expensive.
Subject: mathematics
Question: center is \left( {-2,3} \right) and a point on the circle is \left( {2,-3} \right)
Subject: psychology
Question: What are at least two factors that contribute to the vocabulary explosion typical in middle childhood?
Subject: mathematics
Question: \- \ \frac{7}{9}\operatorname{\\_\\_\\_} - \ \frac{4}{9}
Subject: economics
Question: When the price is above the equilibrium, explain how market forces move the market price to equilibrium. Do the same when the price is below the equilibrium.
Subject: physics
Question: If the lens of a person’s eye is removed because of cataracts (as has been done since ancient times), why would you expect a spectacle lens of about 16 D to be prescribed?
Subject: astronomy
Question: If Sirius rises at 8:00 p.m. tonight, at what time will it rise tomorrow night, to the nearest minute? Explain.
Subject: physics
Question: A global angle is an angle with the positive x-axis (considered to be an angle of 0°), and the terminal angle as the angle formed after a counterclockwise rotation. What is the global angle of 20° south of west?
Subject: mathematics
Question: \left( {- \frac{3}{x}} \right)^{-3}
Subject: biology
Question: A botanist notices that a tomato plant looks diseased. How could the botanist confirm that the agent causing disease is a viroid, and not a virus?
Subject: mathematics
Question: The parallelogram spanned by vectorsa=〈1,13〉andb=〈3,21〉a=〈1,13〉andb=〈3,21〉
Subject: biology
Question: What is the function of the erector spinae?
Subject: physics
Question: The angle between the axes of two polarizing filters is 45.0\text{°} . By how much does the second filter reduce the intensity of the light coming through the first?
Subject: psychology
Question: In what type of childcare do providers welcome other children into their homes?
Subject: business
Question: LO8.2What are some possible causes of a material price variance?
Subject: history
Question: What was one of the key goals for which striking workers fought in the late nineteenth century? health insurancedisability payan eight-hour workdaywomen’s right to hold factory jobs
Subject: psychology
Question: The fusion of a synaptic vesicle at the axonal terminal requires:
Subject: chemistry
Question: How many tons of Ca 3 (PO 4 ) 2 are necessary to prepare 5.0 tons of phosphorus if the yield is 90%?
Subject: business
Question: LO11.3Speedy Delivery has a very lazy accountant. When originally setting up the delivery trucks into the accounting system, the accountant did not want to calculate the expected salvage value for each vehicle. He left salvage value at $0 even though this is not the case. Explain what leaving the salvage value at $0 would do for depreciation. Discuss the differences, if any, between straight-line, double-declining, and units-of-production methods.
Subject: biology
Question: What will result from the binding of a transcription factor to an enhancer region?
Subject: biology
Question: The ___________ is the basic unit of life.
Subject: chemistry
Question: Give the coordination numbers and write the formulas for each of the following, including all isomers where appropriate: (a) tetrahydroxozincate(II) ion (tetrahedral) (b) hexacyanopalladate(IV) ion (c) dichloroaurate(I) ion (note that _aurum_ is Latin for "gold") (d) diamminedichloroplatinum(II)(e) potassium diamminetetrachlorochromate(III)(f) hexaamminecobalt(III) hexacyanochromate(III)(g) dibromobis(ethylenediamine) cobalt(III) nitrate
Subject: psychology
Question: Neurotransmitters are released into the small space between neurons, called a ________.
Subject: nursing
Question: A client with multiple sclerosis asks the nurse about the best foods to fight fatigue and enhance nerve cell conduction. Which food choices would be appropriate for this client?
Subject: mathematics
Question: What is conditional probability?
Subject: mathematics
Question: Use logarithms to find the exact solution for - 9e^{10a - 8} - 5 = - 41 . If there is no solution, write _no solution_ .
Subject: physics
Question: (a) How far does the muon in [Example 5.3](5-3-time-dilation) travel according to the earthbound observer? (b) How far does it travel as viewed by an observer moving with it? Base your calculation on its velocity relative to the Earth and the time it lives (proper time). (c) Verify that these two distances are related through length contraction {\gamma = 3.20}.
Subject: mathematics
Question: 3x^{2} - y^{2} - 12x - 6y - 9 = 0
Subject: physics
Question: For collisions with free electrons, compare the Compton shift of a photon scattered as an angle of 30\text{°} to that of a photon scattered at {45\text{°}}.
Subject: philosophy
Question: Explain why Confucians believe relationships and social roles shape people’s moral responsibilities and structure moral life.
Subject: anthropology
Question: What are some of the key differences between Linnaean classification and phylogenetics?
Subject: physics
Question: Two planets in circular orbits around a star have speeds of _v_ and 2 _v_ . (a) What is the ratio of the orbital radii of the planets? (b) What is the ratio of their periods?
Subject: political_science
Question: The gatekeeping role of the media refers to:
Subject: psychology
Question: Which option is an example of a primary sex characteristic?
Subject: physics
Question: Suppose hydrogen and oxygen are diffusing through air. A small amount of each is released simultaneously. How much time passes before the hydrogen is 1.00 s ahead of the oxygen? Such differences in arrival times are used as an analytical tool in gas chromatography.
Subject: physics
Question: Suppose a motor connected to a 120 V source draws 10.0 A when it first starts. (a) What is its resistance? (b) What current does it draw at its normal operating speed when it develops a 100 V back emf?
Subject: history
Question: Which country initiated the era of Atlantic exploration?    A. France   B. Spain   C. England   D. Portugal
Subject: computer_science
Question: Consider our start-up company that is 100% committed to leveraging innovative technologies as a business growth facilitator. Describe how it could leverage a new operating system design to support an innovative application that leverages the use of various sensors located at the edge of the network. Give some precise examples and explain how the start-up would be able to scale this approach.
Subject: computer_science
Question: What are composite types?
Subject: mathematics
Question: Find the simple interest earned after 4 years on \text{\$2,250} invested at an interest rate of \text{5\%}.
Subject: mathematics
Question: The line that passes through points \left( {1,3,5} \right) and \left( {-2,6,-3} \right)
Subject: chemistry
Question: For each of the following pairs of ions, write the formula of the compound they will form: (a) Ca2+, S2− (b)NH4+,NH4+,SO42−SO42− (c) Al3+, Br− (d) Na+,HPO42−HPO42− (e) Mg2+,PO43−PO43−
Subject: astronomy
Question: Why is star formation more likely to occur in cold molecular clouds than in regions where the temperature of the interstellar medium is several hundred thousand degrees?
Subject: chemistry
Question: What is the minimum mass of CaCO 3 required to establish equilibrium at a certain temperature in a 6.50-L container if the equilibrium constant ( _K c_ ) is 0.50 for the decomposition reaction of CaCO 3 at that temperature? \text{CaCO}_{3}(s)\rightleftharpoons\text{CaO}(s) + \text{CO}_{2}(g)
Subject: physics
Question: Suppose that in the preceding problem the light incident on \text{P}_{1} is unpolarized. At the determined value of \theta , what fraction of the incident light passes through the combination?
Subject: computer_science
Question: What was the intent behind creating the ARPANET and why was it important?
Subject: business
Question: Corporate culture comes from ________.    A. the commitment of the company’s employees   B. the founder’s idea of what the work environment should be like   C. government regulations about labor relations   D. the nature of the company’s product or service
Subject: economics
Question: Why does regulatory capture reduce the persuasiveness of the case for regulating industries for the benefit of consumers?
Subject: physics
Question: How can treating food with ionizing radiation help keep it from spoiling? UV is not very penetrating. What else could be used?
Subject: biology
Question: Because it is a “transplant” that can include APCs and T cells from the donor, a bone marrow transplant may induce a very specific type of rejection known as ________ disease.
Subject: business
Question: LO12.2What doesgoal congruencemean? Provide an example with your explanation.
Subject: psychology
Question: When laboratory rodents are shifted to live in constant darkness, they still show a 24h rhythm in their activity levels. We call their rhythm in these conditions:
Subject: computer_science
Question: What is indexing in the context of databases, and how does it improve data retrieval operations?
Subject: computer_science
Question: What are some limitations of experimental analysis?
Subject: business
Question: Which clause of the U.S. Constitution provides that, within its own sphere, federal law is supreme and that state law must, in case of conflict, yield?    A. Commerce Clause.   B. Superior Clause.   C. Supremacy Clause.   D. Necessary and Proper Clause.
Subject: physics
Question: **Unreasonable results** Frustrated by the small Hall voltage obtained in blood flow measurements, a medical physicist decides to increase the applied magnetic field strength to get a 0.500-V output for blood moving at 30.0 cm/s in a 1.50-cm-diameter vessel. (a) What magnetic field strength is needed? (b) What is unreasonable about this result? (c) Which premise is responsible?
Subject: biology
Question: The correct order for the smallest to the largest unit of organization in muscle tissue is ________.
Subject: business
Question: [LO 13.3](13-3-discuss-examples-of-major-sustainability-initiatives) Explain the role and purpose of the Sustainability Accounting Standards Board.
Subject: history
Question: For which of the following activities were the Sons of Liberty responsible? the Stamp Act Congressthe hanging and beheading of a stamp commissioner in effigythe massacre of Conestoga in Pennsylvaniathe introduction of the Virginia Stamp Act Resolutions
Subject: history
Question: What brought the majority of Chinese immigrants to the U.S.? goldwork opportunities on the railroadsthe Homestead ActChinese benevolent associations
Subject: physics
Question: (a) A world record was set for the men’s 100-m dash in the 2008 Olympic Games in Beijing by Usain Bolt of Jamaica. Bolt “coasted” across the finish line with a time of 9.69 s. If we assume that Bolt accelerated for 3.00 s to reach his maximum speed, and maintained that speed for the rest of the race, calculate his maximum speed and his acceleration. (b) During the same Olympics, Bolt also set the world record in the 200-m dash with a time of 19.30 s. Using the same assumptions as for the 100-m dash, what was his maximum speed for this race?
Subject: physics
Question: Define mechanical energy. What is the relationship of mechanical energy to nonconservative forces? What happens to mechanical energy if only conservative forces act?
Subject: economics
Question: Why is there unemployment in a labor market with flexible wages?
Subject: physics
Question: (a) The number of kilocalories in food is determined by calorimetry techniques in which the food is burned and the amount of heat transfer is measured. How many kilocalories per gram are there in a 5.00-g peanut if the energy from burning it is transferred to 0.500 kg of water held in a 0.100-kg aluminum cup, causing a 54.9\text{-}\text{°}\text{C} temperature increase? Assume the process takes place in an ideal calorimeter, in other words a perfectly insulated container. (b) Compare your answer to the following labeling information found on a package of dry roasted peanuts: a serving of 33 g contains 200 calories. Comment on whether the values are consistent.
Subject: physics
Question: As the mass of an object in uniform circular motion increases, what happens to the centripetal force required to keep it moving at the same speed?
Subject: physics
Question: The device pictured in the following figure entertains infants while keeping them from wandering. The child bounces in a harness suspended from a door frame by a spring. (a) If the spring stretches 0.250 m while supporting an 8.0-kg child, what is its force constant? (b) What is the time for one complete bounce of this child? (c) What is the child’s maximum velocity if the amplitude of her bounce is 0.200 m?  Figure 15.34 (credit: Lisa Doehnert)
Subject: business
Question: All of the following are examples of results of unethical business actions except:    A. Recruitment and retention problems.   B. Lower employee salaries.   C. Negative employee relations.   D. Poor company reputation.
Subject: mathematics
Question: A floor is 6 m by 4 m. A rug on the floor measures 200 cm by 100 cm. How much of the floor, in m2, is not covered by the rug?
Subject: physics
Question: What is the direction of the force exerted by the car on the passenger as the car goes over the top of the amusement ride pictured inFigure 6.30under the following circumstances: (a) The car goes over the top at such a speed that the gravitational force is the only force acting? (b) The car goes over the top faster than this speed? (c) The car goes over the top slower than this speed?
Subject: computer_science
Question: You are working on a project as a lead software engineer. Your team is tasked with writing a web application and a sensor that will collect and report the temperature of a room over the course of a week on a single battery charge. Your team is well versed in JavaScript and C. What language would you select to write the web application GUI and the code to operate the sensor? Explain the choice of language while connecting the level of each language.
Subject: biology
Question: The ________ are collectively called the calyx.
Subject: biology
Question: What are epigenetic modifications?