mouryat9/CogBench huggingface dataset:
Subject: physics
Question: A student makes a homemade resistor from a graphite pencil 5.00 cm long, where the graphite is 0.05 mm in diameter. The resistivity of the graphite is \rho = 1.38\ \times \ 10^{-5}\ \text{Ω}\text{/}\text{m} . The homemade resistor is place in series with a switch, a 10.00-mF uncharged capacitor and a 0.50-V power source. (a) What is the _RC_ time constant of the circuit? (b) What is the potential drop across the pencil 1.00 s after the switch is closed?
Subject: chemistry
Question: Silver is often extracted from ores such as K[Ag(CN)2] and then recovered by the reaction2K[Ag(CN)2](aq)+Zn(s)⟶2Ag(s)+Zn(CN)2(aq)+2KCN(aq)2K[Ag(CN)2](aq)+Zn(s)⟶2Ag(s)+Zn(CN)2(aq)+2KCN(aq) (a) How many molecules of Zn(CN)2are produced by the reaction of 35.27 g of K[Ag(CN)2]? (b) What mass of Zn(CN)2is produced?
Subject: economics
Question: A booming economy can attract financial capital inflows, which promote further growth. However, capital can just as easily flow out of the country, leading to economic recession. Is a country whose economy is booming because it decided to stimulate consumer spending more or less likely to experience capital flight than an economy whose boom is caused by economic investment expenditure?
Subject: biology
Question: The type of inclusion containing polymerized inorganic phosphate is called _____________.
Subject: biology
Question: How can squamous epithelia both facilitate diffusion and prevent damage from abrasion?
Subject: mathematics
Question: \frac{2 + i}{3 - 4i}
Subject: economics
Question: The state of Colorado requires oil and gas companies who use fracking techniques to return the land to its original condition after the oil and gas extractions. [Table 12.9](12-self-check-questions#Table_12_12) shows the total cost and total benefits (in dollars) of this policy.  Land Restored (in acres) | Total Cost | Total Benefit   ---|---|---   0 | $0 | $0   100 | $20 | $140   200 | $80 | $240   300 | $160 | $320   400 | $280 | $380   Table 12.9    A. Calculate the marginal cost and the marginal benefit at each quantity (acre) of land restored. See [Production, Costs and Industry Structure](7-introduction-to-production-costs-and-industry-structure) if you need a refresher on how to calculate marginal costs and benefits.    B. If we apply marginal analysis, what is the optimal amount of land to be restored?
Subject: biology
Question: Post-translational modifications of proteins can affect which of the following?
Subject: mathematics
Question: Kenneth currently sells suits for company A at a salary of $22,000 plus a $10 commission for each suit sold. Company B offers him a position with a salary of $28,000 plus a $4 commission for each suit sold. How many suits would Kenneth need to sell for the options to be equal?
Subject: physics
Question: A long cylinder of copper of radius 3 cm is charged so that it has a uniform charge per unit length on its surface of 3 C/m. (a) Find the electric field inside and outside the cylinder. (b) Draw electric field lines in a plane perpendicular to the rod.
Subject: biology
Question: Marfan syndrome is inherited in an autosomal dominant pattern. Which of the following is true?
Subject: chemistry
Question: Describe the molecular geometry and hybridization of the N, P, or S atoms in each of the following compounds. (a) H3PO4, phosphoric acid, used in cola soft drinks (b) NH4NO3, ammonium nitrate, a fertilizer and explosive (c) S2Cl2, disulfur dichloride, used in vulcanizing rubber (d) K4[O3POPO3], potassium pyrophosphate, an ingredient in some toothpastes
Subject: nursing
Question: The health care provider’s order is for metoprolol 0.1 g orally daily. The tablets are available in 50 mg. How many tablets should the nurse administer?
Subject: chemistry
Question: If a reaction produces 1.506 kJ of heat, which is trapped in 30.0 g of water initially at 26.5 °C in a calorimeter like that in [Figure 5.12](5-2-calorimetry) , what is the resulting temperature of the water?
Subject: chemistry
Question: Determine the number of protons, neutrons, and electrons in the following isotopes that are used in medical diagnoses: (a) atomic number 9, mass number 18, charge of 1− (b) atomic number 43, mass number 99, charge of 7+ (c) atomic number 53, atomic mass number 131, charge of 1− (d) atomic number 81, atomic mass number 201, charge of 1+ (e) Name the elements in parts (a), (b), (c), and (d).
Subject: chemistry
Question: Write a balanced equation for each of the following nuclear reactions: (a) the production of17O from14N by α particle bombardment (b) the production of14C from14N by neutron bombardment (c) the production of233Th from232Th by neutron bombardment (d) the production of239U from238U by12H12Hbombardment
Subject: mathematics
Question: \left\\{ {\left( {-3,7} \right),\left( {-2,3} \right),\left( {-1,9} \right),} \right.   \left. {\left( {0,-3} \right),\left( {-1,8} \right)} \right\\}
Subject: mathematics
Question: 5 + 7(2 - 5x) = 2(9x + 1)   \- (13x - 57)
Subject: mathematics
Question: 60y^{2} - 85y - 25
Subject: physics
Question: Suppose you exert a force of 180 N tangential to a 0.280-m-radius, 75.0-kg grindstone (a solid disk). (a)What torque is exerted? (b) What is the angular acceleration assuming negligible opposing friction? (c) What is the angular acceleration if there is an opposing frictional force of 20.0 N exerted 1.50 cm from the axis?
Subject: mathematics
Question: In numerical integration, increasing the number of points decreases the error.
Subject: astronomy
Question: Which is likely to be more common in our Galaxy: white dwarfs or black holes? Why?
Subject: chemistry
Question: Novocaine, C13H21O2N2Cl, is the salt of the base procaine and hydrochloric acid. The ionization constant for procaine is 7××10−6. Is a solution of novocaine acidic or basic? What are [H3O+], [OH−], and pH of a 2.0% solution by mass of novocaine, assuming that the density of the solution is 1.0 g/mL.
Subject: economics
Question: If public utilities are a natural monopoly, what would be the danger in deregulating them?
Subject: computer_science
Question: Describe how TechWorks could use big cloud IaaS services to create products that would generate business. Give some precise examples and explain how the start-up would be able to scale client businesses.
Subject: chemistry
Question: Why does white phosphorus consist of tetrahedral P4molecules while nitrogen consists of diatomic N2molecules?
Subject: business
Question: LO4.1Describe the revenue recognition principle. Give specifics.
Subject: physics
Question: A woman shuts her summer cottage up in September and returns in June. No one has entered the cottage in the meantime. Explain what she is likely to find, in terms of the second law of thermodynamics.
Subject: computer_science
Question: What is the purpose of a linker?
Subject: mathematics
Question: 58,129,304 ⓐ 5 ⓑ 0 ⓒ 1 ⓓ 8 ⓔ 2
Subject: physics
Question: Which activity requires a person to exert force on an object that causes the object to move but does not change the kinetic or potential energy of the object?
Subject: economics
Question: In the labor market, what causes a movement along the supply curve? What causes a shift in the supply curve?
Subject: chemistry
Question: Using the standard enthalpy of formation data inAppendix G, calculate the bond energy of the carbon-sulfur double bond in CS2.
Subject: computer_science
Question: What is the term used to describe when two or more programs execute on the processor at the same time?
Subject: biology
Question: Blood filtrate is captured in the lumen of the ________.
Subject: mathematics
Question: When b = -11 , evaluate:ⓐ b + 6 ⓑ \text{−}b + 6
Subject: economics
Question: Would you expect the natural rate of unemployment to be roughly the same in different countries?
Subject: astronomy
Question: Suppose hominids one million years ago had left behind maps of the night sky. Would these maps represent accurately the sky that we see today? Why or why not?
Subject: mathematics
Question: ∫02π∫0π/2∫13ρ2sin(φ)dρdφdθ∫02π∫0π/2∫13ρ2sin(φ)dρdφdθ
Subject: biology
Question: Viruses_______.
Subject: biology
Question: The sodium/calcium exchanger (NCX) transports sodium into and calcium out of cardiac muscle cells. Describe why this transporter is classified as secondary active transport.
Subject: physics
Question: Gluons and the photon are massless. Does this imply that theW+W+,W−W−, andZ0Z0are the ultimate carriers of the weak force?
Subject: business
Question: Explain the product life cycle. How and why might it change based on certain criteria?
Subject: physics
Question: A box slides on a frictionless surface with a total energy of 50 J. It hits a spring and compresses the spring a distance of 25 cm from equilibrium. If the same box with the same initial energy slides on a rough surface, it only compresses the spring a distance of 15 cm, how much energy must have been lost by sliding on the rough surface?
Subject: biology
Question: Explain in your own terms the difference between a spontaneous reaction and one that occurs instantaneously, and what causes this difference.
Subject: business
Question: [LO 4.2](4-2-describe-and-identify-the-three-major-components-of-product- costs-under-job-order-costing) Which document lists the total direct labor used in a specific job?    A. job cost sheet   B. purchase order   C. employee time ticket   D. receiving document
Subject: physics
Question: How can you calculate percentage efficiency?
Subject: astronomy
Question: Suppose we detect a powerful radio source with a radio telescope. How could we determine whether or not this was a newly discovered quasar and not some nearby radio transmission?
Subject: philosophy
Question: Why is it necessary for philosophers to discard suppositions or assumptions that may be acceptable in other disciplines?
Subject: computer_science
Question: What term is defined as an approach that emphasizes people rather than technologies in the design of computer solutions?
Subject: chemistry
Question: The mercury content of a stream was believed to be above the minimum considered safe—1 part per billion (ppb) by weight. An analysis indicated that the concentration was 0.68 parts per billion. What quantity of mercury in grams was present in 15.0 L of the water, the density of which is 0.998 g/ml?(1 ppb Hg=1 ng Hg1 g water)(1 ppb Hg=1 ng Hg1 g water)
Subject: physics
Question: Derive R = \frac{v_{0}^{2}\ \text{sin}\ 2\theta_{0}}{g} for the range of a projectile on level ground by finding the time t{} at which y becomes zero and substituting this value of t{} into the expression for x - x_{0} , noting that R = {x - x_{0}}
Subject: physics
Question: What is the ideal banking angle for a gentle turn of 1.20-km radius on a highway with a 105 km/h speed limit (about 65 mi/h), assuming everyone travels at the limit?
Subject: psychology
Question: If group members modify their opinions to align with a perceived group consensus, then ________ has occurred.
Subject: political_science
Question: What problems will candidates experience with frontloading?
Subject: psychology
Question: Why might a prospective employer screen applicants using personality assessments?
Subject: psychology
Question: Which are the two main types of non-associative learning?
Subject: biology
Question: Which of the following methods brings about cell lysis due to cavitation induced by rapid localized pressure changes?    A. microwaving   B. gamma irradiation   C. ultraviolet radiation   D. sonication
Subject: political_science
Question: What were the key provisions of the Civil Rights Act of 1964?
Subject: business
Question: Which of these concepts relates to utilitarianism? consequencesactionscharacterduty
Subject: physics
Question: What is the change in internal energy of a system  that does 20 J of work whenQin=100JandQout=50J?
Subject: mathematics
Question: Construct a 95% confidence interval for the population mean time spent waiting. State the confidence interval, sketch the graph, and calculate the error bound.
Subject: mathematics
Question: \frac{x^{- \frac{1}{4}} \cdot x^{\frac{5}{4}}}{x^{- \frac{3}{4}}}
Subject: business
Question: [LO 7.3](7-3-analyze-and-journalize-transactions-using-special-journals) The sum of all the accounts in the accounts receivable subsidiary ledger should ________.    A. equal the accounts receivable account balance in the general ledger before posting any amounts   B. equal the accounts payable account balance in the general ledger before posting any amounts   C. equal the accounts receivable account balance in the general ledger after posting all amounts   D. equal the cash account balance in the general ledger after posting all amounts
Subject: chemistry
Question: Strike-anywhere matches contain a layer of KClO3and a layer of P4S3. The heat produced by the friction of striking the match causes these two compounds to react vigorously, which sets fire to the wooden stem of the match. KClO3contains theClO3−ClO3−ion. P4S3is an unusual molecule with the skeletal structure. (a) Write Lewis structures for P4S3and theClO3–ClO3–ion. (b) Describe the geometry about the P atoms, the S atom, and the Cl atom in these species. (c) Assign a hybridization to the P atoms, the S atom, and the Cl atom in these species. (d) Determine the oxidation states and formal charge of the atoms in P4S3and theClO3–ClO3–ion.
Subject: physics
Question: After two time constants, what percentage of the final voltage, emf, is on an initially uncharged capacitor C , charged through a resistance R ?
Subject: mathematics
Question: On average (μ), how many first-year students would you expect to have to ask until you found one who replies "yes?"
Subject: sociology
Question: What is the practice where the differences between low-end and high-end jobs become greater and the number of people in the middle levels decreases?
Subject: mathematics
Question: What number is 67% of 250?
Subject: mathematics
Question: \- \;\frac{20\pi}{11}
Subject: sociology
Question: The 1 st step of the scientific method:    A. Collect and analyze data   B. Summarize the articles   C. Ask a question about a topic   D. Create a hypothesis
Subject: astronomy
Question: What is a charge-coupled device (CCD), and how is it used in astronomy?
Subject: mathematics
Question: \frac{5}{8} \cdot \frac{4}{15}
Subject: mathematics
Question: Calculate A712+ 8812.
Subject: physics
Question: What does it mean to say that two systems are in thermal equilibrium?
Subject: sociology
Question: The Protestant work ethic was viewed in terms of its relationship to:
Subject: physics
Question: Perform the following calculations and express your answer using the correct number of significant digits. (a) A woman has two bags weighing 13.5 lb and one bag with a weight of 10.2 lb. What is the total weight of the bags? (b) The force _F_ on an object is equal to its mass _m_ multiplied by its acceleration _a_ . If a wagon with mass 55 kg accelerates at a rate of 0.0255 m/s 2 , what is the force on the wagon? (The unit of force is called the _newton_ and it is expressed with the symbol N.)
Subject: physics
Question: The mass of Earth is 5.97\ \times \ 10^{24}\ \text{kg} and its orbital radius is an average of 1.50\ \times \ 10^{11}\ \text{m} . Calculate the magnitude of its linear momentum at the location in the diagram.
Subject: physics
Question: Integrated Concepts A galaxy moving away from the earth has a speed of \text{0.0100}c . What wavelength do we observe for an n_{\text{i}} = 7 to n_{\text{f}} = 2 transition for hydrogen in that galaxy?
Subject: biology
Question: All organisms that use aerobic cellular respiration have cytochrome oxidase.
Subject: psychology
Question: A child’s volleyball coach communicating with the child’s caregiver is an example of which system in the ecological system model?
Subject: computer_science
Question: What platform is unique in that it is built on open-source software known as OpenFlow and OpenDaylight?
Subject: mathematics
Question: A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 2.1 km apart, to be 25° and 49°, as shown in [Figure 1](10-review-exercises#Image_08_08_225) . Find the distance of the plane from point A and the elevation of the plane.  Figure 1
Subject: physics
Question: Water is moving at a velocity of 2.00 m/s through a hose with an internal diameter of 1.60 cm. (a) What is the flow rate in liters per second? (b) The fluid velocity in this hose’s nozzle is 15.0 m/s. What is the nozzle’s inside diameter?
Subject: nursing
Question: The health care provider orders diphenhydramine 50 mg intramuscularly (IM) for a client with an allergic reaction. The vial contains 25 mg/mL. How many milliliters (mL) should the nurse administer?
Subject: sociology
Question: Why are wealthy parents more likely than poor parents to socialize their children toward creativity and problem solving?    A. Wealthy parents are socializing their children toward the skills of white-collar employment.   B. Wealthy parents are not concerned about their children rebelling against their rules.   C. Wealthy parents never engage in repetitive tasks.   D. Wealthy parents are more concerned with money than with a good education.
Subject: business
Question: How is the role of government agencies with regard to entrepreneurship different from the roles of industry and trade associations?
Subject: mathematics
Question: Graph the linear inequality y < \- \frac{1}{4}x + 3 .
Subject: business
Question: [LO 6.5](6-5-compare-and-contrast-variable-and-absorption-costing) When the number of units in ending inventory increases through the year, which of the following is true?    A. Net income is the same for variable and absorption costing.   B. Net income is higher for variable costing than for absorption costing.   C. Net income is higher for absorption costing than for variable costing.   D. There is no relationship between net income and the costing method.
Subject: business
Question: When is it a good time to hire an independent contractor and when is it a good time to hire an on-staff employee?
Subject: political_science
Question: If you had to define the poverty line, what would you expect people to be able to afford just above that line? For those below that line, what programs should the government offer to improve quality of life?
Subject: business
Question: LO2.3Explain the purpose of the statement of cash flows and why this statement is needed.
Subject: nursing
Question: A client with sinusitis reports facial discomfort and pressure. What can the nurse recommend to the client to help reduce these symptoms?
Subject: chemistry
Question: How are the molecules in oxygen gas, the molecules in hydrogen gas, and water molecules similar? How do they differ?
Subject: political_science
Question: Muckraking occurs when newspapers ________.
Subject: mathematics
Question: ∫02∫02π∫r1rdzdθdr∫02∫02π∫r1rdzdθdr
Subject: mathematics
Question: \frac{m}{7} + \frac{10}{7}
Subject: mathematics
Question: Determine the domain such that the function f(x) = \sqrt{x - 2} + xe^{x} is continuous over its domain.
Subject: chemistry
Question: A 0.025-g sample of a compound composed of boron and hydrogen, with a molecular mass of ~28 amu, burns spontaneously when exposed to air, producing 0.063 g of B 2 O 3 . What are the empirical and molecular formulas of the compound?
Subject: nursing
Question: A client is complaining of not being able to sleep for the past week. They mention starting a new medication at that time. Which medication could be the cause of their inability to sleep?
Subject: physics
Question: Apply the loop rule to loop afedcba inFigure 21.45.
Subject: psychology
Question: How stable are the Big Five factors over one’s lifespan?
Subject: political_science
Question: These types of regimes are viewed as a “hybrid” and include aspects of other regimes.
Subject: nursing
Question: A client with a stage 2 pressure injury was prescribed protein shakes twice daily. Upon return to the office for a recheck, the pressure ulcer changed to stage 1. Which of the following findings supports the conclusion the client has improved?
Subject: psychology
Question: How does the positive youth development approach utilize a strength based model to help children?
Subject: biology
Question: Bicarbonate ion concentrations in the blood are controlled through the ________.
Subject: psychology
Question: A period of development when the brain is especially plastic allowing for changes that can translate to risk or resilience in the face of stress would be called a ________.
Subject: economics
Question: If a developing country needs foreign capital inflows, management expertise, and technology, how can it encourage foreign investors while at the same time protect itself against capital flight and banking system collapse, as happened during the Asian financial crisis?
Subject: sociology
Question: In what ways can capitalistic and socialistic economies converge?
Subject: physics
Question: True or False—An external force is required to set a stationary object in motion in outer space away from all gravitational influences and atmospheric friction.
Subject: biology
Question: The fauces connects which of the following structures to the oropharynx?
Subject: mathematics
Question: Give in terms of a sine function.
Subject: astronomy
Question: Explain the results of Rutherford’s gold foil experiment and how they changed our model of the atom.
Subject: physics
Question: A string has a linear mass density \mu = 0.007\ \text{kg/m,} a length L = 0.70\ \text{m,} a tension of F_{T} = 110\ \text{N}, and oscillates in a mode n = 3 . (a) What is the frequency of the oscillations? (b) Use the result in the preceding problem to find the change in the frequency when the tension is increased by 1.00\text{\%} .
Subject: mathematics
Question: Is σ known and, if so, what is it?
Subject: biology
Question: Which of the following is part of a clade believed to have died out, leaving no descendants?
Subject: biology
Question: Chewing a bite of bread mixes it with saliva and facilitates its chemical breakdown. This ismost likelydue to the fact that ________.
Subject: chemistry
Question: A 2.00-L bottle of a solution of concentrated HCl was purchased for the general chemistry laboratory. The solution contained 868.8 g of HCl. What is the molarity of the solution?
Subject: mathematics
Question: y=x2−xandx=0y=x2−xandx=0
Subject: business
Question: Why is it important to figure out costs before launching a business?
Subject: biology
Question: How do the roles of ubiquinone and cytochrome c differ from the roles of the other components of the electron transport chain?
Subject: political_science
Question: British colonists in North America in the late seventeenth century were greatly influenced by the political thought of ________.    A. King James II   B. Thomas Jefferson   C. John Locke   D. James Madison
Subject: psychology
Question: What is often an advantage of being an only child?
Subject: biology
Question: How does segmentation enhance annelid locomotion?
Subject: history
Question: What are the differences between the types of slavery traditionally practiced in Africa and the slavery that developed in the New World? How did other types of servitude, such as European serfdom, compare to slavery?
Subject: astronomy
Question: What is the consequence of Uranus’ spin axis being 98° away from perpendicular to its orbital plane?
Subject: business
Question: What is the expense recognition principle?
Subject: physics
Question: On May 26, 1934, a streamlined, stainless steel diesel train called the Zephyr set the world’s nonstop long-distance speed record for trains. Its run from Denver to Chicago took 13 hours, 4 minutes, 58 seconds, and was witnessed by more than a million people along the route. The total distance traveled was 1633.8 km. What was its average speed in km/h and m/s?
Subject: mathematics
Question: x = 4\ \text{cos}\ \phi, y = 1 - \text{sin}\ \phi, 0 \leq \phi \leq 2\pi
Subject: mathematics
Question: 5 times the sum of y and 1
Subject: biology
Question: For a transplant to have the best chances of avoiding rejection, the genes coding for the ________ molecules should be closely matched between donor and recipient.
Subject: psychology
Question: Which statement about papillae is false?
Subject: physics
Question: Does the time required for the current in an _RL_ circuit to reach any fraction of its steady-state value depend on the emf of the battery?
Subject: mathematics
Question: Find the circumference of the circle with a radius of 3.5 cm.
Subject: computer_science
Question: Why is it recommended to start with simple hardware kits when learning embedded systems engineering?
Subject: physics
Question: At what rate will a pendulum clock run on the Moon, where the acceleration due to gravity is 1\text{.}\text{63}\ \text{m/s}^{2} , if it keeps time accurately on Earth? That is, find the time (in hours) it takes the clock’s hour hand to make one revolution on the Moon.
Subject: physics
Question: Measurements affect the system being measured, such as the current loop in [Figure 22.53](22-problems-exercises#import-auto-id1166991836771) . (a) Estimate the field the loop creates by calculating the field at the center of a circular loop 20.0 cm in diameter carrying 5.00 A. (b) What is the smallest field strength this loop can be used to measure, if its field must alter the measured field by less than 0.0100%?
Subject: nursing
Question: The nurse is assessing a client who describes the color of their urine as pale yellow. Which statement would the nurse give to the client?
Subject: mathematics
Question: Use mental math to calculate21×99.
Subject: psychology
Question: Which of the following statements pertaining to asthma isfalse?
Subject: psychology
Question: Which type of memory has a timescale of seconds?
Subject: chemistry
Question: From the data given inAppendix G, determine the standard enthalpy change and the standard free energy change for each of the following reactions: (a)BF3(g)+3H2O(l)⟶B(OH)3(s)+3HF(g)BF3(g)+3H2O(l)⟶B(OH)3(s)+3HF(g) (b)BCl3(g)+3H2O(l)⟶B(OH)3(s)+3HCl(g)BCl3(g)+3H2O(l)⟶B(OH)3(s)+3HCl(g) (c)B2H6(g)+6H2O(l)⟶2B(OH)3(s)+6H2(g)B2H6(g)+6H2O(l)⟶2B(OH)3(s)+6H2(g)
Subject: philosophy
Question: What does “ontology of value” mean?
Subject: business
Question: This section advocates using qualitative and quantitative data to develop products and find the right market for them. When might it be appropriate to rely heavily or solely on quantitative data? Can you think of a product that had very high usage rates that was incredibly popular but that almost as quickly fell out of favor? Which is better at predicting a fad: qualitative data or quantitative data?
Subject: economics
Question: Why is government spending typically measured as a percentage of GDP rather than in nominal dollars?
Subject: astronomy
Question: What does it mean if one elliptical galaxy has broader spectrum lines than another elliptical galaxy?
Subject: computer_science
Question: What is the overall purpose of testing in software engineering?
Subject: biology
Question: The group of soil bacteria known for their ability to produce a wide variety of antimicrobials is called the ________.
Subject: psychology
Question: Why was Carol Gilligan critical of Kohlberg’s theory of moral development?
Subject: mathematics
Question: What are the first five terms of the geometric sequence a_{1} = 3,\mspace{9mu} a_{n} = 4 \cdot a_{n - 1}?
Subject: biology
Question: A young person has been experiencing unusually heavy menstrual bleeding for several years. They follow a strict vegan diet (no animal foods). They are is at risk for what disorder, and why?
Subject: physics
Question: Two identical billiard balls collide. The first one is initially traveling at \left( {2.2\ \text{m/s}} \right)\mathbf{\hat{i}} - \left( {0.4\ \text{m/s}} \right)\mathbf{\hat{j}} and the second one at \text{−}\left( {1.4\ \text{m/s}} \right)\mathbf{\hat{i}} + \left( {2.4\ \text{m/s}} \right)\mathbf{\hat{j}} . Suppose they collide when the center of ball 1 is at the origin and the center of ball 2 is at the point \left( {2R,0} \right) where _R_ is the radius of the balls. What is the final velocity of each ball?
Subject: economics
Question: What is the foreign exchange market?
Subject: mathematics
Question: It is believed that 70% of men pass their drivers test in the first attempt, while 65% of women pass the test in the first attempt. Of interest is whether the proportions are in fact equal.
Subject: psychology
Question: The change in proportional contribution of different brain regions to total brain volume as total brain volume changes is called ________.
Subject: physics
Question: Refer to [Figure 10.17](10-2-resistors-in-series-and-parallel) and the discussion of lights dimming when a heavy appliance comes on. (a) Given the voltage source is 120 V, the wire resistance is 0.800\ \text{Ω,} and the bulb is nominally 75.0 W, what power will the bulb dissipate if a total of 15.0 A passes through the wires when the motor comes on? Assume negligible change in bulb resistance. (b) What power is consumed by the motor?
Subject: mathematics
Question: f(x) = 3x^{4}
Subject: mathematics
Question: If y varies inversely with the square of x and x = 3 when y = 9, find y when x = 4.
Subject: chemistry
Question: Determine the empirical formulas for the following compounds: (a) caffeine, C8H10N4O2 (b) sucrose, C12H22O11 (c) hydrogen peroxide, H2O2 (d) glucose, C6H12O6 (e) ascorbic acid (vitamin C), C6H8O6
Subject: business
Question: LO7.1What is the difference between budgeting and long-range planning?
Subject: mathematics
Question: It is thought that teenagers sleep more than adults on average. A study is done to verify this. A sample of 16 teenagers has a mean of 8.9 hours slept and a standard deviation of 1.2. A sample of 12 adults has a mean of 6.9 hours slept and a standard deviation of 0.6.
Subject: economics
Question: What impact would a decrease in the size of the labor force have on GDP and the price level according to the AD/AS model?
Subject: business
Question: LO7.2How might service industries predict revenue?
Subject: chemistry
Question: A sample of a compound of xenon and fluorine was confined in a bulb with a pressure of 18 torr. Hydrogen was added to the bulb until the pressure was 72 torr. Passage of an electric spark through the mixture produced Xe and HF. After the HF was removed by reaction with solid KOH, the final pressure of xenon and unreacted hydrogen in the bulb was 36 torr. What is the empirical formula of the xenon fluoride in the original sample? (Note: Xenon fluorides contain only one xenon atom per molecule.)
Subject: biology
Question: A scientist dissects a new species of animal. If the animal’s digestive system has a single stomach with an extended small intestine, to which animal could the dissected specimen be closely related?
Subject: physics
Question: Two different electrical devices have the same power consumption, but one is meant to be operated on 120-V AC and the other on 240-V AC. (a) What is the ratio of their resistances? (b) What is the ratio of their currents? (c) Assuming its resistance is unaffected, by what factor will the power increase if a 120-V AC device is connected to 240-V AC?
Subject: psychology
Question: How does the nativist approach to language development differ from the learning approach?
Subject: sociology
Question: Considering the concentric zone model, what type of zone were you raised in? Is this the same or different as that of earlier generations in your family? What type of zone do you reside in now? Do you find that people from one zone stereotype those from another? If so, how?
Subject: biology
Question: Which of the following cranial nerves isnotpart of the VOR?
Subject: physics
Question: A steel container of mass 135 g contains 24.0 g of ammonia, \text{NH}_{3} , which has a molar mass of 17.0 g/mol. The container and gas are in equilibrium at 12.0\ \text{°C} . How much heat has to be removed to reach a temperature of -20.0\ \text{°C} ? Ignore the change in volume of the steel and treat the ammonia as an ideal gas with 6 degrees of freedom (3 translational and 3 rotational; at room temperature, the vibrational degree of freedom is inactive.)
Subject: psychology
Question: How do most working adults with low income save for retirement?
Subject: physics
Question: Is this statement true or false? The amplitudes of waves add up only if they are propagating in the same line.
Subject: chemistry
Question: What is the change in the nucleus that results from the following decay scenarios? (a) emission of a β particle (b) emission of a β+particle (c) capture of an electron
Subject: economics
Question: What is the difference between a budget deficit, a balanced budget, and a budget surplus?
Subject: biology
Question: Allergy to pollen is classified as ________.
Subject: mathematics
Question: \int{\frac{1}{x^{2}\sqrt{x^{2} + 16}}dx} using trigonometric substitution
Subject: chemistry
Question: Osmium is one of the densest elements known. What is its density if 2.72 g has a volume of 0.121 cm3?
Subject: chemistry
Question: Given specimens neon-24 (t1/2= 3.38 min) and bismuth-211 (t1/2= 2.14 min) of equal mass, which one would have greater activity and why?
Subject: mathematics
Question: \sec^{2}x - 2\;\sec\; x = 15
Subject: business
Question: [LO 9.4](9-4-discuss-the-role-of-accounting-for-receivables-in-earnings- management) Which statement is most directly affected by a change to net income?    A. balance sheet   B. income statement   C. statement of retained earnings   D. statement of cash flows
Subject: business
Question: A ________ is a license granting exclusivity, as in the exclusive rights to manufacture and sell a specific product. patentUInondisclosure agreementnoncompete clause
Subject: physics
Question: Consider two periodic wave functions, y_{1}\left( {x,t} \right) = A\ \text{sin}\left( {kx - \omega t} \right) and y_{2}\left( {x,t} \right) = A\ \text{sin}\left( {kx - \omega t + \phi} \right). (a) For what values of \phi will the wave that results from a superposition of the wave functions have an amplitude of 2 _A_ ? (b) For what values of \phi will the wave that results from a superposition of the wave functions have an amplitude of zero?
Subject: business
Question: LO6.2What are two advantages and disadvantages of the periodic inventory system?
Subject: chemistry
Question: Predict the products of the following reactions and balance the equations. (a) Zn is added to a solution of Cr2(SO4)3in acid. (b) FeCl2is added to a solution containing an excess ofCr2O72−Cr2O72−in hydrochloric acid. (c) Cr2+is added toCr2O72−Cr2O72−in acid solution. (d) Mn is heated with CrO3. (e) CrO is added to 2HNO3in water. (f) FeCl3is added to an aqueous solution of NaOH.
Subject: biology
Question: Which type of molecule acts as a signaling molecule in yeasts?
Subject: biology
Question: Explain in your own words why DNA replication is said to be “semiconservative”?
Subject: physics
Question: Give an example of a nonzero vector that has a component of zero.
Subject: physics
Question: An example of magnetohydrodynamics (MHD) comes from the flow of a river (salty water). This fluid interacts with the Earth’s magnetic field to produce a potential difference between the two river banks. How would you go about calculating the potential difference?
Subject: biology
Question: RNA interference does not influence the sequence of genomic DNA.
Subject: economics
Question: Will the firms in an oligopoly act more like a monopoly or more like competitors? Briefly explain.
Subject: physics
Question: Two forces of 25 and 45 N act on an object. Their directions differ by 70\text{°} . The resulting acceleration has magnitude of 10.0\ \text{m/s}^{2}. What is the mass of the body?
Subject: biology
Question: ________ results in the production of a mixture of fermentation products, including lactic acid, ethanol and/or acetic acid, and CO 2 .
Subject: mathematics
Question: m = 2, point \left( {-3,-1} \right)
Subject: mathematics
Question: y=cos−1(x)+xy=cos−1(x)+xatx=0x=0
Subject: physics
Question: Use the Heisenberg uncertainly principle to estimate the range of a weak nuclear decay involving a graviton.
Subject: business
Question: What is the value of creative efforts that are not meant for sale and that are never turned into products for the marketplace?
Subject: mathematics
Question: The height of a trapezoid is 8 feet and the bases are 11 and 14 feet. What is the area?
Subject: philosophy
Question: What are some of the challenges of studying Indigenous philosophy?
Subject: physics
Question: What is an inelastic collision? What is a perfectly inelastic collision?
Subject: biology
Question: Differentiated cells in a developing embryo derive from ________.
Subject: mathematics
Question: \sqrt{64 + 225}
Subject: biology
Question: Janine is 41 weeks pregnant with her first child when she arrives at the birthing unit reporting that she believes she has been in labor “for days” but that “it’s just not going anywhere.” During the clinical exam, she experiences a few mild contractions, each lasting about 15–20 seconds; however, her cervix is found to be only 2 cm dilated, and the amniotic sac is intact. Janine is admitted to the birthing unit and an IV infusion of pitocin is started. Why?
Subject: physics
Question: (a) Sodium vapor light averaging 589 nm in wavelength falls on a single slit of width 7\text{.}\text{50}\ \text{μm} . At what angle does it produces its second minimum? (b) What is the highest-order minimum produced?
Subject: physics
Question: A rod is pivoted about one end. Two forces \mathbf{\overset{\rightarrow}{F}}\text{and}\ - \mathbf{\overset{\rightarrow}{F}} are applied to it. Under what circumstances will the rod not rotate?
Subject: astronomy
Question: What is the most useful standard bulb method for determining distances to galaxies?
Subject: physics
Question: In performing 100.0 J of work, an engine discharges 50.0 J of heat. What is the efficiency of the engine?
Subject: physics
Question: Does the capacitance of a device depend on the applied voltage? Does the capacitance of a device depend on the charge residing on it?
Subject: physics
Question: Before working on a power transmission line, experts will touch the line with the back of the hand as a final check that the voltage is zero. Why the back of the hand?
Subject: physics
Question: (a) Aircraft sometimes acquire small static charges. Suppose a supersonic jet has a 0.500-μC charge and flies due west at a speed of ˔. m/s over Earth’s south magnetic pole, where the 8.00\ \times \ 10^{-5} - \text{T} magnetic field points straight down into the ground. What are the direction and the magnitude of the magnetic force on the plane? (b) Discuss whether the value obtained in part (a) implies this is a significant or negligible effect.
Subject: biology
Question: ________ African trypanosomiasis causes a chronic form of sleeping sickness.
Subject: physics
Question: A 120-nm UV radiation illuminates a silver-plated electrode. What is the maximum kinetic energy of the ejected photoelectrons?
Subject: chemistry
Question: The standard reduction potential for the reaction[Co(H2O)6]3+(aq)+e−⟶[Co(H2O)6]2+(aq)[Co(H2O)6]3+(aq)+e−⟶[Co(H2O)6]2+(aq)is about 1.8 V. The reduction potential for the reaction[Co(NH3)6]3+(aq)+e−⟶[Co(NH3)6]2+(aq)[Co(NH3)6]3+(aq)+e−⟶[Co(NH3)6]2+(aq)is +0.1 V. Calculate the cell potentials to show whether the complex ions, [Co(H2O)6]2+and/or [Co(NH3)6]2+, can be oxidized to the corresponding cobalt(III) complex by oxygen.
Subject: sociology
Question: Conflict theorists see sorting as a way to ________.
Subject: economics
Question: What legal mechanisms protect intellectual property?
Subject: chemistry
Question: Why are there no changes specified for Ni inExercise 13.60, part (f)? What property of Ni does change?
Subject: mathematics
Question: The loudspeaker created by revolving y = {1\text{/}x} from x = 1 to x = 4 around the _x_ -axis.
Subject: sociology
Question: What does the individual mandate provision of the 2010 U.S. healthcare reform do?
Subject: business
Question: LO8.4The vice president of finance asks the accounts payable (AP) clerk to write a check in the name of the president for $10,000. He and the president will sign the check (two signatures needed on a check of this size). He further instructs the AP clerk not to disclose this check to her immediate supervisor. What should the AP clerk do? Should she prepare the check? Should she inform her immediate supervisor? Discuss with internal controls in mind.
Subject: biology
Question: Rogosa agar contains yeast extract. The pH is adjusted to 5.2 and discourages the growth of many microorganisms; however, all the colonies look similar. The medium is ________ and ________.
Subject: physics
Question: (a) Explain how you can determine the acceleration over time from a velocity versus time graph such as the one inFigure 2.54. (b) Based on the graph, how does acceleration change over time? Figure2.54
Subject: economics
Question: What is a perfectly competitive labor market?
Subject: astronomy
Question: Why would a flare be observed in visible light, when they are so much brighter in X-ray and ultraviolet light?
Subject: astronomy
Question: Arrange the following stars in order of their evolution: A star with no nuclear reactions going on in the core, which is made primarily of carbon and oxygen.A star of uniform composition from center to surface; it contains hydrogen but has no nuclear reactions going on in the core.A star that is fusing hydrogen to form helium in its core.A star that is fusing helium to carbon in the core and hydrogen to helium in a shell around the core.A star that has no nuclear reactions going on in the core but is fusing hydrogen to form helium in a shell around the core.
Subject: mathematics
Question: If you draw 2 cards at random from a standard 52-card deck and note the 2 suits (without paying attention to the order), what is the sample space?
Subject: mathematics
Question: QandRare independent events.P(Q) = 0.4 andP(QANDR) = 0.1. FindP(R).
Subject: philosophy
Question: Why does bioethics often require a multidisciplinary approach?
Subject: computer_science
Question: Are HLLs purpose-driven? Give some examples of purpose-driven HLLs, expanding on the purpose of each.
Subject: economics
Question: If firms become more optimistic about the future of the economy and, at the same time, innovation in 3-D printing makes most workers more productive, what is the combined effect on output, employment, and the price-level?
Subject: physics
Question: Overexposure to this range of EM radiation is dangerous, and yet it is used by doctors to diagnose medical problems.Part A—Identify the type of radiation.Part B—Locate the position of this radiation on the EM spectrum by comparing its frequency and wavelength to visible light.Part C—Explain why this radiation is both dangerous and therapeutic in terms of its energy, based on your answer to Part B.
Subject: physics
Question: The far point of a myopic administrator is 50.0 cm. (a) What is the relaxed power of his eyes? (b) If he has the normal 8.00% ability to accommodate, what is the closest object he can see clearly?
Subject: physics
Question: What is the decibel level of a sound that is twice as intense as a 90.0-dB sound? (b) What is the decibel level of a sound that is one-fifth as intense as a 90.0-dB sound?
Subject: physics
Question: Starting with equations m_{1}{v_{1} = m_{1}}v_{1}^{\prime}\ \text{cos}\ {\theta_{1} + m_{2}}v_{2}^{\prime}\ \text{cos}\ \theta_{2} and {0 = m_{1}}v_{1}^{\prime}\ \text{sin}\ {\theta_{1} + m_{2}}v_{2}^{\prime}\ \text{sin}\ \theta_{2} for conservation of momentum in the x \- and y -directions and assuming that one object is originally stationary, prove that for an elastic collision of two objects of equal masses, \begin{matrix} {\frac{1}{2}{\text{mv}_{1}}^{2} =} \\\ {\frac{1}{2}{{\text{mv}\prime}_{1}}^{2} + \frac{1}{2}{{\text{mv}\prime}_{2}}^{2}} \\\ {+ {\text{mv}\prime}_{1}{v\prime}_{2}\ \text{cos}\ \left( \theta_{1} - \theta_{2} \right)} \end{matrix} as discussed in the text.
Subject: astronomy
Question: In which atmospheric layer are almost all water-based clouds formed?
Subject: mathematics
Question: Determine the common ratio of the following geometric sequence: {6, 18, 54, 162, …}.
Subject: business
Question: What challenges do nonprofits face in securing financing?
Subject: computer_science
Question: What are the ramifications of releasing software that has issues? How could this impact customers? How could it impact the software engineers who worked on the project? Consider the features discussed at the beginning of this chapter for software in the automotive industry. What would the impact be of errors in software for features such as lane departure system, cruise control, navigation, or augmented heads-up displays?
Subject: mathematics
Question: median = _______
Subject: physics
Question: How do you express, mathematically, that no external force is acting on a body?
Subject: physics
Question: A neutron star of mass 2\ \times \ 10^{30}\ \text{kg} and radius 10 km rotates with a period of 0.02 seconds. What is its rotational kinetic energy?
Subject: business
Question: Which of these is an example of “passive disclosure” of a trade secret?    A. Leaving confidential documents lying around for anyone to see.   B. Inadvertently disseminating information at trade shows or conferences.   C. Disclosing confidential information in press releases, newspaper articles, or marketing collateral.
Subject: biology
Question: Why is it so important for the human heart to develop early and begin functioning within the developing embryo?
Subject: physics
Question: Integrated Concepts A \text{160-μF} capacitor charged to 450 V is discharged through a 31\text{.}\text{2-k}\Omega resistor. (a) Find the time constant. (b) Calculate the temperature increase of the resistor, given that its mass is 2.50 g and its specific heat is 1\text{.}\text{67}\frac{\text{kJ}}{{\text{kg}\, \cdot}\,\text{ºC}} , noting that most of the thermal energy is retained in the short time of the discharge. (c) Calculate the new resistance, assuming it is pure carbon. (d) Does this change in resistance seem significant?
Subject: physics
Question: When a photon strikes a solar sail, what is the direction of impulse on the photon?
Subject: mathematics
Question: The length of a rectangle is 12 centimeters more than the width. The perimeter is 74 centimeters. Find the length and the width.
Subject: physics
Question: Suppose quantity s is a length and quantity t is a time. Suppose the quantities v and a are defined by _v_ = _ds_ / _dt_ and _a_ = _dv_ / _dt_ . (a) What is the dimension of _v_ ? (b) What is the dimension of the quantity _a_ ? What are the dimensions of (c) {\int v}dt, (d) {\int a}dt, and (e) _da_ / _dt_ ?
Subject: astronomy
Question: Describe the evolution of a white dwarf over time, in particular how the luminosity, temperature, and radius change.
Subject: chemistry
Question: Calculate the value of the equilibrium constant _K P_ for the reaction 2\text{NO}(g) + \text{Cl}_{2}(g)\rightleftharpoons 2\text{NOCl}(g) from these equilibrium pressures: NO, 0.050 atm; Cl 2 , 0.30 atm; NOCl, 1.2 atm.
Subject: physics
Question: True or false—It is possible to just use the relationshipsF=maandE=Fdto show that both sides of the equation E0= mc2have the same units.
Subject: sociology
Question: What factor makes caste systems closed?    A. They are run by secretive governments.   B. People cannot change their social standing.   C. Most have been outlawed.   D. They exist only in rural areas.
Subject: mathematics
Question: Graph the function f(x) = 3.5(2)^{x}. State the domain and range and give the _y_ -intercept.
Subject: business
Question: [LO 7.1](7-1-describe-how-and-why-managers-use-budgets) What are the advantages and disadvantages of the bottom-up budgeting approach?
Subject: biology
Question: Owners and managers of plant nurseries have to plan lighting schedules for a long-day plant that will flower in February. What lighting periods will be most effective? What color of light should be chosen?
Subject: chemistry
Question: Using the relevant S\text{°} values listed in [Appendix G](g-standard- thermodynamic-properties-for-selected-substances) , calculate {\text{Δ}S\text{°}}_{298} for the following changes:(a) \text{N}_{2}(g) + 3\text{H}_{2}(g)\ \longrightarrow\ 2\text{NH}_{3}(g) (b) \text{N}_{2}(g) + \ \frac{5}{2}\text{O}_{2}(g)\ \longrightarrow\ \text{N}_{2}\text{O}_{5}(g)
Subject: mathematics
Question: \left( {-2 - 3i} \right)^{2}
Subject: mathematics
Question: One cup of milk contains 276 milligrams of calcium. Convert this to grams. \text{(1 milligram} = \text{0.001 gram)}