mouryat9/CogBench huggingface dataset:
Subject: physics
Question: (a) Sketch a graph of the potential energy function U(x) = kx^{2}\text{/}2 + Ae^{\text{−}\alpha x^{2}}, where k,A,\ \text{and}\ \alpha are constants. (b) What is the force corresponding to this potential energy? (c) Suppose a particle of mass _m_ moving with this potential energy has a velocity v_{a} when its position is x = a . Show that the particle does not pass through the origin unless A \leq \frac{mv_{a}{}^{2} + ka^{2}}{2\left( {1 - e^{\text{−}\alpha a^{2}}} \right)}.
Subject: history
Question: What was the Iran-Contra affair about?
Subject: physics
Question: What is the rest energy of an electron, given its mass is 9.11\ \times \ 10^{- 31}\ \text{kg}? Give your answer in joules and MeV.
Subject: sociology
Question: A parent who is worrying over her teenager’s dangerous and self-destructive behavior and low self-esteem may wish to look at her child’s:
Subject: physics
Question: Why are the sun and Earth not in thermal equilibrium?
Subject: physics
Question: A particle’s acceleration is (4.0\mathbf{\hat{i}} + 3.0\mathbf{\hat{j}}){\text{m/}\text{s}^{2}}. At _t_ = 0, its position and velocity are zero. (a) What are the particle’s position and velocity as functions of time? (b) Find the equation of the path of the particle. Draw the _x-_ and _y-_ axes and sketch the trajectory of the particle.
Subject: mathematics
Question: What are the null and alternative hypotheses forExercise 11.43?
Subject: business
Question: An economist is interested in the possible influence of "Miracle Wheat" on the average yield of wheat in a district.  To do so they fit a linear regression of average yield per year against year after introduction of "Miracle Wheat" for a ten year period. The fitted trend line is y^j=80+1.5âXjy^j=80+1.5âXj (YjYj: Average yield injyear after introduction) (XjXj:jyear after introduction).
Subject: physics
Question: A toroidal coil has a mean radius of 16 cm and a cross-sectional area of {0.25\ \text{cm}}^{2} ; it is wound uniformly with 1000 turns. A second toroidal coil of 750 turns is wound uniformly over the first coil. Ignoring the variation of the magnetic field within a toroid, determine the mutual inductance of the two coils.
Subject: computer_science
Question: In what ways can businesses use big data to gain a competitive advantage and improve their operations? Provide specific examples from the text to support your answer.
Subject: mathematics
Question: A random survey of 75 student loan recipients revealed that the mean length of time in repayment is 17.4 years with a standard deviation of 6.3 years. Conduct a hypothesis test to determine if the population mean time in repayment could likely be 15 years.
Subject: physics
Question: Integrated Concepts A certain heat lamp emits 200 W of mostly IR radiation averaging 1500 nm in wavelength. (a) What is the average photon energy in joules? (b) How many of these photons are required to increase the temperature of a person’s shoulder by 2\text{.}0º\text{C} , assuming the affected mass is 4.0 kg with a specific heat of 0\text{.83 kcal}{\text{/kg} \cdot}\text{ºC} . Also assume no other significant heat transfer. (c) How long does this take?
Subject: physics
Question: (a) What is the radius of a bobsled turn banked at 75.0\text{°} and taken at 30.0 m/s, assuming it is ideally banked? (b) Calculate the centripetal acceleration. (c) Does this acceleration seem large to you?
Subject: physics
Question: What is the energy of a photon whose momentum is 3.0\ \times \ 10^{-24}\text{kg} \cdot \text{m/s} ?
Subject: mathematics
Question: \frac{1}{2} \div \frac{1}{4}
Subject: astronomy
Question: New stars form in regions where the density of gas and dust is relatively high. Suppose you wanted to search for some recently formed stars. Would you more likely be successful if you observed at visible wavelengths or at infrared wavelengths? Why?
Subject: business
Question: [LO 2.2](2-2-define-explain-and-provide-examples-of-current-and-noncurrent- assets-current-and-noncurrent-liabilities-equity-revenues-and-expenses) All of the following increase owner’s equity _except_ for which one?    A. gains   B. investments by owners   C. revenues   D. acquisitions of assets by incurring liabilities
Subject: psychology
Question: Clay is in a therapy session. The therapist asks him to relax and say whatever comes to his mind at the moment. This therapist is using ________, which is a technique of ________.
Subject: mathematics
Question: If every member of setAis also a member of setB, then setAis a _________ of setB.
Subject: philosophy
Question: How does the law of noncontradiction logically imply the law of the excluded middle?
Subject: biology
Question: The composition of saliva varies from gland to gland. Discuss how saliva produced by the parotid gland differs in action from saliva produced by the sublingual gland.
Subject: sociology
Question: Why is it important to have women in political roles?
Subject: mathematics
Question: s^{2} - 2s - 8
Subject: mathematics
Question: \frac{5}{0}
Subject: psychology
Question: Other than a potentially greater salary, what would be the reasons an individual would continue on to get a graduate degree in psychology?
Subject: physics
Question: What is an inelastic collision?
Subject: business
Question: A shareholder is a stakeholder who ________. holds stock for investmenthas a general interest in the fate of all publicly traded companiesfocuses on the means by which firms get their products to marketalways purchases the product or service of a particular company
Subject: economics
Question: Explain what types of policies the federal government may have implemented to restore aggregate demand and the potential obstacles policymakers may have encountered.
Subject: mathematics
Question: 10.2 + 14.631
Subject: physics
Question: Integrated Concepts Use the ECG in [Figure 20.31](20-7-nerve-conduction- electrocardiograms) to determine the heart rate in beats per minute assuming a constant time between beats.
Subject: physics
Question: Discuss any similarities and differences between the photoelectric and the Compton effects.
Subject: physics
Question: (a) Light reflected at 62.5\text{°} from a gemstone in a ring is completely polarized. Can the gem be a diamond? (b) At what angle would the light be completely polarized if the gem was in water?
Subject: physics
Question: A Carnot engine operates between reservoirs at 600 and 300 K. If the engine absorbs 100 J per cycle at the hot reservoir, what is its work output per cycle?
Subject: economics
Question: What is an insurance premium?
Subject: history
Question: How did the process of creating and ratifying the Constitution, and the language of the Constitution itself, confirm the positions of African Americans, women, and Native Americans in the new republic? How did these roles compare to the stated goals of the republic?
Subject: biology
Question: The first heart sound represents which portion of the cardiac cycle?
Subject: psychology
Question: Describe the types of experiences that may impact cognitive development.
Subject: biology
Question: Arrange the following terms in order of increasing specialization: oligopotency, pleuripotency, unipotency, multipotency.
Subject: mathematics
Question: You purchase 15 kg of birdseed. You divide the birdseed into 10 bags. How many grams of birdseed are in each bag?
Subject: chemistry
Question: A high altitude balloon is filled with 1.41××104L of hydrogen at a temperature of 21 °C and a pressure of 745 torr. What is the volume of the balloon at a height of 20 km, where the temperature is –48 °C and the pressure is 63.1 torr?
Subject: mathematics
Question: f(x) = e^{\text{−}x^{2}} - 1
Subject: mathematics
Question: F(x,y,z)=exi+exyj+exyzkF(x,y,z)=exi+exyj+exyzk
Subject: mathematics
Question: f(x) = - 2x^{2}(4 - 3x - 5x^{2})
Subject: physics
Question: Why does the energy of characteristic x rays become increasingly greater for heavier atoms?
Subject: economics
Question: When OPEC raised the price of oil dramatically in the mid-1970s, experts said it was unlikely that the cartel could stay together over the long term—that the incentives for individual members to cheat would become too strong. More than forty years later, OPEC still exists. Why do you think OPEC has been able to beat the odds and continue to collude?Hint:You may wish to consider non-economic reasons.
Subject: mathematics
Question: \left( {-3,2} \right) and \left( {6,-9} \right)
Subject: nursing
Question: The client reports feelings of anxiety related to perceived threats. Which specific part of the nervous system is activated related to this client’s reports?
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 can best take advantage of solution architecture management to create products or services that can generate business. Give precise examples and explain how the start-up would be able to ensure the scalability of the resulting business (i.e., keep sustaining the cost of doing business while increasing its number of customers).
Subject: sociology
Question: How are the suburbs of Paris different from those of most U.S. cities?
Subject: physics
Question: (a) Suppose the speed of light were only 3000 m/s. A jet fighter moving toward a target on the ground at 800 m/s shoots bullets, each having a muzzle velocity of 1000 m/s. What are the bullets’ velocity relative to the target? (b) If the speed of light was this small, would you observe relativistic effects in everyday life? Discuss.
Subject: philosophy
Question: What are the four general categories of informal fallacies?
Subject: mathematics
Question: F(x,y)=yi+3xjx2+y2F(x,y)=yi+3xjx2+y2
Subject: physics
Question: If you remove resistance from a circuit, does the total resistance of the circuit always decrease? Explain.
Subject: political_science
Question: What do you see as the upcoming challenges to federalism in the next decade? Choose an issue and outline how the states and the federal government could respond.
Subject: mathematics
Question: Vanessa is traveling to see her fiancé. The distance, d, varies directly with the speed, v, she drives. If she travels 258 miles driving 60 mph, how far would she travel going 70 mph?
Subject: economics
Question: Why are expenditures such as crime prevention and education typically done at the state and local level rather than at the federal level?
Subject: biology
Question: What is another name for a nonenveloped virus?    A. enveloped virus   B. provirus   C. naked virus   D. latent virus
Subject: business
Question: There is an extensive examination system for getting a patent approved. Why is there not a similar system in place for copyrights?    A. The merit of an artistic or literary work is a wholly subjective determination.   B. Merit has nothing to do with whether or not a creative work is copyrightable.   C. Patent examiners can all agree that an invention is novel, non-obvious and useful, but art critics may never all agree that any one painting is beautiful.   D. All of the above.
Subject: physics
Question: How much energy would be released if six hydrogen atoms and six neutrons were combined to form {}_{\mspace{9mu} 6}^{12}\text{C}?
Subject: physics
Question: Distinguish between dielectric strength and dielectric constant.
Subject: physics
Question: There is a vectorA→A→, with magnitude 5 units pointing towards west and vectorB→B→, with magnitude 3 units, pointing towards south. Using vector addition, calculate the magnitude of the resultant vector.
Subject: biology
Question: The joints between the articular processes of adjacent vertebrae can contribute to which movement?
Subject: mathematics
Question: \sqrt{\frac{300m^{5}}{64}}
Subject: physics
Question: What beat frequencies result if a piano hammer hits three strings that emit frequencies of 127.8, 128.1, and 128.3 Hz?
Subject: physics
Question: If audible sound follows a rule of thumb similar to that for ultrasound, in terms of its absorption, would you expect the high or low frequencies from your neighbor’s stereo to penetrate into your house? How does this expectation compare with your experience?
Subject: business
Question: What is an attractive nuisance?
Subject: mathematics
Question: Kathy left home to walk to the mall, walking quickly at a rate of 4 miles per hour. Her sister Abby left home 15 minutes later and rode her bike to the mall at a rate of 10 miles per hour. How long will it take Abby to catch up to Kathy?
Subject: mathematics
Question: You are performing a hypothesis test of a single population proportion. You find out thatnpis less than five. What must you do to be able to perform a valid hypothesis test?
Subject: mathematics
Question: What is the decay rate (m)?
Subject: nursing
Question: The nurse is caring for a client in the first trimester of pregnancy. Which assessment finding requires follow-up by the nurse?
Subject: business
Question: [LO 13.2](13-2-identify-user-needs-for-information) There are currently no formal mandatory environmental accounting standards firms must adhere to. Given the lack of regulation, should accountants even bother with preparing sustainability reports? Why or why not?
Subject: physics
Question: A string of a length of 2.00 m with a linear mass density of \mu = 0.006\ \text{kg/m} is attached to the end of a 2.00-m-long string with a linear mass density of \mu = 0.012\ \text{kg/m}. The free end of the higher-density string is fixed to the wall, and a student holds the free end of the low-density string, keeping the tension constant in both strings. The student sends a pulse down the string. Describe what happens at the interface between the two strings.
Subject: business
Question: Cars pass an automatic speed check device that monitors 2,000 cars on a given day.  This population of cars has an average speed of 67 miles per hour with a standard deviation of 2 miles per hour.  If samples of 30 cars are taken, what is the probability a given sample will have an average speed within 0.50 mile per hour of the population mean?
Subject: chemistry
Question: What volume of a 0.3300-Msolution of sodium hydroxide would be required to titrate 15.00 mL of 0.1500Moxalic acid?C2O4H2(aq)+2NaOH(aq)⟶Na2C2O4(aq)+2H2O(l)C2O4H2(aq)+2NaOH(aq)⟶Na2C2O4(aq)+2H2O(l)
Subject: physics
Question: A magnifying glass forms an image 10 cm on the opposite side of the lens from the object, which is 10 cm away. What is the magnification of this lens for a person with a normal near point if their eye 12 cm from the object?
Subject: sociology
Question: Faith has a full-time job and two children. She has enough money for the basics and can pay her rent each month, but she feels that, with her education and experience, her income should be enough for her family to live much better than they do. Faith is experiencing:    A. global poverty   B. subjective poverty   C. extreme poverty   D. relative poverty
Subject: chemistry
Question: Is 1s22s22p6the symbol for a macroscopic property or a microscopic property of an element? Explain your answer.
Subject: physics
Question: When an unknown resistance R_{\text{x}}{} is placed in a Wheatstone bridge, it is possible to balance the bridge by adjusting R_{3}{} to be \text{2500}\ \Omega . What is R_{\text{x}}{} if {\frac{R_{2}}{R_{1}} = 0}\text{.}\text{625} ?
Subject: physics
Question: In the reality television show [“Amazing Race”](https://openstax.org/l/21amazraceclip) , a contestant is firing 12-kg watermelons from a slingshot to hit targets down the field. The slingshot is pulled back 1.5 m and the watermelon is considered to be at ground level. The launch point is 0.3 m from the ground and the targets are 10 m horizontally away. Calculate the spring constant of the slingshot.
Subject: mathematics
Question: f(x)=ln(x+2)f(x)=ln(x+2)
Subject: business
Question: How often should managers in a workplace anticipate an inspection from the Occupational Safety and Health Administration? every dayonce a monthupon request or complaintnever
Subject: mathematics
Question: A rectangular piece of plywood has a diagonal which measures two feet more than the width. The length of the plywood is twice the width. What is the length of the plywood’s diagonal? Round to the nearest tenth.
Subject: biology
Question: Imagine you are trying to test whether a population of flowers is undergoing evolution. You suspect there is selection pressure on the color of the flower: bees seem to cluster around the red flowers more often than the blue flowers. In a separate experiment, you discover blue flower color is dominant to red flower color. In a field, you count 600 blue flowers and 200 red flowers. What would you expect the genetic structure of the flowers to be?
Subject: mathematics
Question: Find the prime factorization of 1080.
Subject: computer_science
Question: What is the relationship between cloud service models, cloud deployment models, and cloud deployment technologies?
Subject: mathematics
Question: \mathbf{\text{F}}\left( {x,y} \right) = \frac{1}{2}\mathbf{\text{i}} + 2x\mathbf{\text{j}}
Subject: mathematics
Question: r=6cosθ,r=6cosθ,0≤θ≤2π.0≤θ≤2π.Check your answer by geometry.
Subject: physics
Question: What is the ratio of the velocity of a \beta particle to that of an \alpha particle, if they have the same nonrelativistic kinetic energy?
Subject: sociology
Question: The racial term “African American” can refer to:
Subject: chemistry
Question: Potassium hydrogen phthalate, KHC8H4O4, or KHP, is used in many laboratories, including general chemistry laboratories, to standardize solutions of base. KHP is one of only a few stable solid acids that can be dried by warming and weighed. A 0.3420-g sample of KHC8H4O4reacts with 35.73 mL of a NaOH solution in a titration. What is the molar concentration of the NaOH?KHC8H4O4(aq)+NaOH(aq)⟶KNaC8H4O4(aq)+H2O(aq)KHC8H4O4(aq)+NaOH(aq)⟶KNaC8H4O4(aq)+H2O(aq)
Subject: astronomy
Question: There are fewer eclipsing binaries than spectroscopic binaries. Explain why.
Subject: chemistry
Question: A study of the rate of dimerization of C4H6gave the data shown in the table:2C4H6⟶C8H122C4H6⟶C8H12 Time (s)01600320048006200[C4H6] (M)1.00××10−25.04××10−33.37××10−32.53××10−32.08××10−3 (a) Determine the average rate of dimerization between 0 s and 1600 s, and between 1600 s and 3200 s. (b) Estimate the instantaneous rate of dimerization at 3200 s from a graph of time versus [C4H6]. What are the units of this rate? (c) Determine the average rate of formation of C8H12at 1600 s and the instantaneous rate of formation at 3200 s from the rates found in parts (a) and (b).
Subject: astronomy
Question: The terms H II and H2are both pronounced “H two.” What is the difference in meaning of those two terms? Can there be such a thing as H III?
Subject: psychology
Question: To what does the term “terminal decline” refer?
Subject: mathematics
Question: y″=3y−cos(x),y″=3y−cos(x),y(0)=94,y(0)=94,y′(0)=0y′(0)=0
Subject: mathematics
Question: f(x)=ln(x+1)f(x)=ln(x+1)
Subject: biology
Question: The middle cranial fossa ________.
Subject: nursing
Question: The nurse is caring for a client with inflammation of the biliary duct. The nurse anticipates that the client will need to limit dietary intake of which nutrient?
Subject: biology
Question: Which of these conditions results in the formation of a bubo?    A. lymphangitis   B. lymphadenitis   C. ischemia   D. vasculitis
Subject: mathematics
Question: What number is \text{46\%} of 350?
Subject: economics
Question: What happens to the labor force participation rate when employed individuals are reclassified as unemployed? What happens when they are reclassified as discouraged workers?
Subject: biology
Question: Thrombocytes are more accurately called ________.
Subject: business
Question: [LO 7.4](7-4-prepare-a-subsidiary-ledger) Name the four main special journals.
Subject: biology
Question: What central fiber tract connects forebrain and brain stem structures with the hypothalamus?
Subject: physics
Question: An 8.0 -cm tall object is placed 6.0 cm from a concave mirror with a magnification of –2.0. What are the image height and the image distance?
Subject: astronomy
Question: At the end of the section on the lunar surface, your authors say that lunar night and day each last about two Earth weeks. After looking over the information inEarth, Moon, and Skyand this chapter about the motions of the Moon, can you explain why? (It helps to draw a diagram for yourself.)
Subject: astronomy
Question: Why is the shape of the magnetosphere not spherical like the shape of Earth?
Subject: biology
Question: The effectiveness of chemical disinfectants has historically been compared to that of which of the following?    A. phenol   B. ethyl alcohol   C. bleach   D. formaldehyde
Subject: physics
Question: Solar wind (radiation) that is incident on the top of Earth’s atmosphere has an average intensity of 1.3{\text{kW}\mspace{2mu}\text{/}\mspace{2mu}\text{m}^{2}}. Suppose that you are building a solar sail that is to propel a small toy spaceship with a mass of 0.1 kg in the space between the International Space Station and the moon. The sail is made from a very light material, which perfectly reflects the incident radiation. To assess whether such a project is feasible, answer the following questions, assuming that radiation photons are incident only in normal direction to the sail reflecting surface. (a) What is the radiation pressure (force per \text{m}^{2} ) of the radiation falling on the mirror-like sail? (b) Given the radiation pressure computed in (a), what will be the acceleration of the spaceship when the sail has of an area of 10.0\text{m}^{2} ? (c) Given the acceleration estimate in (b), how fast will the spaceship be moving after 24 hours when it starts from rest?
Subject: physics
Question: Supermassive black holes are thought to exist at the center of many galaxies. (a) What is the radius of such an object if it has a mass of \text{10}^{9}{} Suns? (b) What is this radius in light years?
Subject: economics
Question: Is a monopolistically competitive firm productively efficient? Is it allocatively efficient? Why or why not?
Subject: physics
Question: What is the relationship between the accuracy and uncertainty of a measurement?
Subject: psychology
Question: ________ is credited with the first comprehensive theory of personality.
Subject: business
Question: In 2015, a federal jury found Robin Thicke and Pharrell Williams guilty of copyright infringement of soul singer Marvin Gaye’s “Got to Give It Up.” They found that their song “Blurred Lines” demonstrated what form of copyright infringement?    A. Comprehensive nonliteral similarity.   B. Fragmented literal similarity.
Subject: political_science
Question: In which regime would one be more likely to see the selection of a cabinet member based on political loyalty and ideological similarity to the head of government?
Subject: economics
Question: [Table 19.15](19-self-check-questions#Table_33_16) shows how the average costs of production for semiconductors (the “chips” in computer memories) change as the quantity of semiconductors built at that factory increases.    A. Based on these data, sketch a curve with quantity produced on the horizontal axis and average cost of production on the vertical axis. How does the curve illustrate economies of scale?   B. If the equilibrium quantity of semiconductors demanded is 90,000, can this economy take full advantage of economies of scale? What about if quantity demanded is 70,000 semiconductors? 50,000 semiconductors? 30,000 semiconductors?   C. Explain how international trade could make it possible for even a small economy to take full advantage of economies of scale, while also benefiting from competition and the variety offered by several producers.  Quantity of Semiconductors | Average Total Cost   ---|---   10,000 | $8 each   20,000 | $5 each   30,000 | $3 each   40,000 | $2 each   100,000 | $2 each   Table 19.15
Subject: mathematics
Question: x = -3y^{2}
Subject: economics
Question: Given the danger of bank runs, why do banks not keep the majority of deposits on hand to meet the demands of depositors?
Subject: chemistry
Question: Determine _K_ a for hydrogen sulfate ion, \text{HSO}_{4}{}{}^{\text{−}}. In a 0.10- _M_ solution the acid is 29% ionized.
Subject: chemistry
Question: Complete and balance the equations of the following reactions, each of which could be used to remove hydrogen sulfide from natural gas: (a) \text{Ca}{(\text{OH})}_{2}(s) + \text{H}_{2}\text{S}(g)\ \longrightarrow\ (b) \text{Na}_{2}\text{CO}_{3}(aq) + \text{H}_{2}\text{S}(g)\ \longrightarrow\
Subject: biology
Question: What is the main difference between autopolyploid and allopolyploid?
Subject: biology
Question: An isotope of sodium (Na) has a mass number of 22. How many neutrons does it have?
Subject: chemistry
Question: What is the value of the equilibrium constant at 500 °C for the formation of NH3according to the following equation? N2(g)+3H2(g)⇌2NH3(g)N2(g)+3H2(g)⇌2NH3(g) An equilibrium mixture of NH3(g), H2(g), and N2(g) at 500 °C was found to contain 1.35MH2, 1.15MN2, and 4.12××10−1MNH3.
Subject: mathematics
Question: Use the given figure to solve for the angles.
Subject: mathematics
Question: f(x)=8x+22x2−3x+1f(x)=8x+22x2−3x+1
Subject: biology
Question: Peristaltic contractions occur in the ________.
Subject: biology
Question: The muscles of a professional marathon runner are most likely to have ________.
Subject: business
Question: LO15.3On February 3, 2016 Sam Singh invested $90,000 cash for a 1/3 interest in a newly formed partnership. Prepare the journal entry to record the transaction.
Subject: physics
Question: Taking the age of Earth to be about 4 \times \text{10}^{9} years and assuming its orbital radius of 1.5\ \times\text{10}^{11} m has not changed and is circular, calculate the approximate total distance Earth has traveled since its birth (in a frame of reference stationary with respect to the Sun).
Subject: biology
Question: How many “letters” of an RNA molecule, in sequence, does it take to provide the code for a single amino acid?
Subject: history
Question: Which social class was most drawn to amusements like P. T. Barnum’s museum? wage workersmiddle-class northernerssouthern planter elitesnorthern business elites
Subject: physics
Question: If a sound intensity level of 0 dB at 1000 Hz corresponds to a maximum gauge pressure (sound amplitude) of 10^{-9}\ \text{atm} , what is the maximum gauge pressure in a 60-dB sound? What is the maximum gauge pressure in a 120-dB sound?
Subject: political_science
Question: In the implementation phase of the policy process, is it better to use a top-down approach or a bottom-up approach on Federal policies? Why?
Subject: economics
Question: Does a trade surplus mean an overall inflow of financial capital to an economy, or an overall outflow of financial capital? What about a trade deficit?
Subject: political_science
Question: The Great Compromise successfully resolved differences between ________.    A. large and small states   B. slaveholding and non-slaveholding states   C. the Articles of Confederation and the Constitution   D. the House and the Senate
Subject: physics
Question: A physics student uses a 115.00-V immersion heater to heat 400.00 grams (almost two cups) of water for herbal tea. During the two minutes it takes the water to heat, the physics student becomes bored and decides to figure out the resistance of the heater. The student starts with the assumption that the water is initially at the temperature of the room T_{i} = 25.00\ \text{°}\text{C} and reaches T_{f} = 100.00\ \text{°}\text{C} . The specific heat of the water is c = 4180\frac{\text{J}}{\text{kg∙K}} . What is the resistance of the heater?
Subject: mathematics
Question: What isP(x < 3.5|x< 4)?
Subject: physics
Question: Explain how the choice of the “system of interest” affects which forces must be considered when applying Newton’s second law of motion.
Subject: sociology
Question: Can you think of people in your own life who support or defy the premise that access to technology leads to greater opportunities? How have you noticed technology use and opportunity to be linked, or does your experience contradict this idea?
Subject: chemistry
Question: A throat spray is 1.40% by mass phenol, C6H5OH, in water. If the solution has a density of 0.9956 g/mL, calculate the molarity of the solution.
Subject: mathematics
Question: \begin{array}{l} {2x - 6y = 12} \\\ {- x + 3y = 1} \end{array}
Subject: mathematics
Question: \sqrt{3x + 7} + \sqrt{x + 2} = 1
Subject: biology
Question: The fact that DNA sequences are more similar in more closely related organisms is evidence of what?
Subject: computer_science
Question: Mathematics is one of three perspectives that computer scientists use to design, analyze, and evaluate computational structures, systems, and processes. However, mathematics is often regarded as an abstract or “pure” field of study that is not involved in social or political concerns. How might computer science’s ability to automate and represent problems in mathematical terms have social or political consequences?
Subject: chemistry
Question: Which is the stronger acid, H2SO4or H2SeO4? Why? You may wish to review the chapter on acid-base equilibria.
Subject: physics
Question: Why do most objects tend to contain nearly equal numbers of positive and negative charges?
Subject: mathematics
Question: mode = _______
Subject: psychology
Question: Which of the following isnota structure of the forebrain?
Subject: astronomy
Question: The nuclear process for fusing helium into carbon is often called the “triple-alpha process.” Why is it called as such, and why must it occur at a much higher temperature than the nuclear process for fusing hydrogen into helium?
Subject: history
Question: What economic and political conditions had to exist for Taft’s “dollar diplomacy” to be effective?
Subject: mathematics
Question: 20 is what percent of 500?
Subject: physics
Question: True or false—Carbon is more conductive than pure water.
Subject: economics
Question: Based on your answers to the WipeOut Ski Company in [Exercise 7.3](7-self- check-questions#fs-idm67487424) , now imagine a situation where the firm produces a quantity of 5 units that it sells for a price of $25 each.    A. What will be the company’s profits or losses?   B. How can you tell at a glance whether the company is making or losing money at this price by looking at average cost?   C. At the given quantity and price, is the marginal unit produced adding to profits?
Subject: physics
Question: How does the power of a dry contact lens compare with its power when resting on the tear layer of the eye? Explain.
Subject: biology
Question: A few recent cancer detection studies have used trained dogs to detect lung cancer in urine samples. What is the hypothesis behind this study? Why are dogs a better choice of detectors in this study than humans?
Subject: sociology
Question: Give an example of the feminization of poverty in core nations. How is it the same or different in peripheral nations?
Subject: business
Question: [LO 5.1](5-1-describe-and-prepare-closing-entries-for-a-business) Which of the following accounts is considered a temporary or nominal account?    A. Fees Earned Revenue   B. Prepaid Advertising   C. Unearned Service Revenue   D. Prepaid Insurance
Subject: mathematics
Question: \frac{1}{6} \cdot 17 \cdot 12
Subject: history
Question: How did chattel slavery differ from indentured servitude? How did the former system come to replace the latter? What were the results of this shift?
Subject: business
Question: LO15.5What is the first step in a partnership liquidation (termination and sale of assets)?
Subject: mathematics
Question: a + 14 = 2
Subject: physics
Question: If your heart rate is 150 beats per minute during strenuous exercise, what is the time per beat in units of seconds?
Subject: chemistry
Question: Calculate the cadmium ion concentration, [Cd 2+ ], in a solution prepared by mixing 0.100 L of 0.0100 _M_ Cd(NO 3 ) 2 with 0.150 L of 0.100 NH 3 ( _aq_ ).
Subject: physics
Question: A contestant in a winter sporting event pushes a 45.0-kg block of ice across a frozen lake as shown in [Figure 5.21](5-problems-exercises#import-auto- id1165298619770) (a). (a) Calculate the minimum force F he must exert to get the block moving. (b) What is the magnitude of its acceleration once it starts to move, if that force is maintained?
Subject: nursing
Question: How does protein intake contribute to growth and development during childhood?
Subject: political_science
Question: Where do your beliefs originate?
Subject: psychology
Question: What type of elder abuse is believed to be the most common?
Subject: computer_science
Question: Why is it important to conduct research before designing a mobile application?
Subject: chemistry
Question: The anhydrous solid CoCl2is blue in color. Because it readily absorbs water from the air, it is used as a humidity indicator to monitor if equipment (such as a cell phone) has been exposed to excessive levels of moisture. Predict what product is formed by this reaction, and how many unpaired electrons this complex will have.
Subject: psychology
Question: The quality of a sound that is affected by frequency, amplitude, and timing of the sound wave is known as ________.
Subject: business
Question: [LO 4.2](4-2-discuss-the-adjustment-process-and-illustrate-common-types-of- adjusting-entries) What parts of the accounting cycle require analytical processes, rather than methodical processes? Explain.
Subject: mathematics
Question: Complete the truth table to determine the truth value of the proposition in the last column.pqp∧q~qp∨~q(p∧q)↔(p∨~q)FT
Subject: business
Question: Why would an entrepreneur choose to operate an S corporation rather than a C corporation?
Subject: sociology
Question: Speedy Gonzalez is an example of:
Subject: political_science
Question: The Trail of Tears is the name given to the forced removal of this tribe from Georgia to Oklahoma.    A. Lakota   B. Paiute   C. Navajo   D. Cherokee
Subject: physics
Question: Professional Application Calculate the increase in velocity of a 4000-kg space probe that expels 3500 kg of its mass at an exhaust velocity of 2\text{.}{\text{00} \times \text{10}^{3}}\ \text{m/s} . You may assume the gravitational force is negligible at the probe’s location.
Subject: astronomy
Question: Outline the main events in the Moon’s geological history.
Subject: biology
Question: Why does the blind spot from the optic disc in either eye not result in a blind spot in the visual field?
Subject: business
Question: LO16.3If a company reports a gain/(loss) from the sale of assets, as part of the net income on the income statement, and the net book value of those assets on the date of the sale is known, can the amount of the cash proceeds from the sale be determined? If so, how?
Subject: chemistry
Question: How much heat is produced by burning 4.00 moles of acetylene under standard state conditions?
Subject: nursing
Question: The nurse is caring for a client with multiple health problems. Which finding in the client’s history supports the client’s gut homeostasis?
Subject: physics
Question: (a) Write the complete \alpha decay equation for {}^{\text{226}}\text{Ra} .(b) Find the energy released in the decay.
Subject: physics
Question: How is it possible for us to transfer energy by heat from cold objects to hot ones?
Subject: biology
Question: The paranasal sinuses are ________.
Subject: physics
Question: An observer standing by the railroad tracks sees two bolts of lightning strike the ends of a 500-m-long train simultaneously at the instant the middle of the train passes him at 50 m/s. Use the Lorentz transformation to find the time between the lightning strikes as measured by a passenger seated in the middle of the train.
Subject: mathematics
Question: 6p^{2} + 6p
Subject: biology
Question: Blood flow that is directed through the lungs and back to the heart is called ________.
Subject: mathematics
Question: A college basketball court is 84 feet long. Convert this length to meters.
Subject: biology
Question: How does the decrease in progesterone at the last weeks of pregnancy help to bring on labor?
Subject: psychology
Question: In the isocortex-DVR hypothesis, what consideration drives how homologous regions of mammalian and avian brain are defined?
Subject: mathematics
Question: The cost of a lawn mower was \text{\$750}. The sales tax rate is \text{6\%} of the purchase price.
Subject: mathematics
Question: \frac{6 + \sqrt{72}}{6}
Subject: mathematics
Question: 40s^{2} - s - 6
Subject: astronomy
Question: Consider three cosmological perspectives—the geocentric perspective, the heliocentric perspective, and the modern perspective—in which the Sun is a minor star on the outskirts of one galaxy among billions. Discuss some of the cultural and philosophical implications of each point of view.
Subject: history
Question: Compare and contrast the steamboats of the antebellum years with technologies today. In your estimation, what modern technology compares to steamboats in its transformative power?
Subject: mathematics
Question: \frac{5 \cdot 8}{-10}
Subject: biology
Question: Describe the structures that are characteristic of a prokaryote cell.
Subject: anthropology
Question: Do all men benefit from patriarchy? How might men be limited or harmed by patriarchal beliefs and practices? Do some women benefit from patriarchy? How so?
Subject: biology
Question: Two species of fish had recently undergone sympatric speciation. The males of each species had a different coloring through which the females could identify and choose a partner from her own species. After some time, pollution made the lake so cloudy that it was hard for females to distinguish colors. What might take place in this situation?
Subject: physics
Question: In what frame(s) of reference are Kepler’s laws valid? Are Kepler’s laws purely descriptive, or do they contain causal information?
Subject: physics
Question: Which of the following is not one of the four fundamental forces?
Subject: biology
Question: Squamous cell carcinomas are the second most common of the skin cancers and are capable of metastasizing if not treated. This cancer affects which cells?
Subject: biology
Question: Why is it important that chyme from the stomach is delivered to the small intestine slowly and in small amounts?
Subject: biology
Question: The component(s) of a virus that is/are extended from the envelope for attachment is/are the:    A. capsomeres   B. spikes   C. nucleic acid   D. viral whiskers
Subject: history
Question: What are the economic and political issues raised by having an imbalance between free and slave states? Why did the balance of free and slave states matter?
Subject: history
Question: How would you characterize Thomas Jefferson’s ideas on race and slavery?
Subject: physics
Question: A constant torque is applied to a rigid body whose moment of inertia is 4.0{\ \text{kg-m}}^{2} around the axis of rotation. If the wheel starts from rest and attains an angular velocity of 20.0 rad/s in 10.0 s, what is the applied torque?
Subject: history
Question: What rationale did Phyllis Schlafly and her STOP ERA movement cite when opposing the ratification of the Equal Rights Amendment?    A. the ERA would ultimately lead to the legalization of abortion   B. the ERA provided insufficient civil rights protections for women   C. mothers could not be feminists   D. the ERA would end gender-specific privileges women enjoyed
Subject: anthropology
Question: Do you have any traditional forms of knowledge? If so, how do you use them? Think about practices such as cooking.
Subject: business
Question: Aspire Excellent Inc. is a book publisher. On March 1, Aspire sells $25,000 of books to Get Your Books Inc. (YBI), a large bookstore chain. The sale is made on account with terms net 60. Aspire’s customers usually take the full 60 days to pay their invoices. The books cost Aspire $10,000 to manufacture. Below, summarize the effect on the accounts on March 1 from the standpoint of the seller, Aspire Excellent Inc., and the buyer, YBI.
Subject: political_science
Question: NGOs ________.
Subject: business
Question: What’s the standard for proving willful infringement, leading to enhanced damages?    A. Selling a product despite knowing that a patent exists that the product might be infringing.   B. Selling a product despite an objectively high likelihood that it infringed a valid patent and that this risk was known or should have been known to the infringer.   C. Deliberately not conducting a prior art search to determine if a patent exists that your product might be infringing.
Subject: biology
Question: Which of the following refers to the type of interaction between two prokaryotic populations in which one population benefits and the other is not affected?    A. mutualism   B. commensalism   C. parasitism   D. neutralism
Subject: mathematics
Question: ⓐ 5^{\text{log}_{5}13} ⓑ \text{log}_{3}3^{-9}
Subject: physics
Question: In an oscillating _LC_ circuit, the maximum charge on the capacitor is 2.0\ \times \ 10^{-6}\ \text{C} and the maximum current through the inductor is 8.0 mA. (a) What is the period of the oscillations? (b) How much time elapses between an instant when the capacitor is uncharged and the next instant when it is fully charged?
Subject: astronomy
Question: What is the difference between a differentiated body and an undifferentiated body, and how might that influence a body’s ability to retain heat for the age of the solar system?
Subject: mathematics
Question: A. ⓐ (2,32)(2,32)   B. ⓑ (3,43)(3,43)   C. ⓒ (13,−4)(13,−4)   D. ⓓ (12,−5)(12,−5)
Subject: nursing
Question: Which food choice indicates to the nurse that a client understands postoperative dietary guidelines for gallbladder surgery?
Subject: mathematics
Question: \left( {3,7} \right) and \left( {5,1} \right)
Subject: biology
Question: Caseinase is which type of enzyme?    A. phospholipase   B. lipase   C. extracellular protease   D. intracellular protease
Subject: psychology
Question: During the ________ phase of the sexual response cycle, individuals experience rhythmic contractions of the pelvis that are accompanied by uterine contractions and ejaculation. excitementplateauorgasmresolution
Subject: biology
Question: Fermenting organisms make ATP through the process of ________.
Subject: political_science
Question: Which of the following rights is not explicitly protected by some state constitutions?
Subject: biology
Question: The amino acids present in proteins differ in which of the following?    A. size   B. shape   C. side groups   D. all of the above
Subject: business
Question: LO1.2Using the same top five career choices, identify nonfinancial factors that might influence your career choice. The following websites might be helpful in answering this question. Occupational Outlook Handbook: https://www.bls.gov/ooh/National Association of Colleges and Employers: http://www.naceweb.org/O*Net OnLine: https://www.onetonline.org/find/
Subject: business
Question: Discuss the different methodologies an entrepreneur might use when experiencing creativity block.
Subject: mathematics
Question: 3x - 2y = 5;2x + 3y = 6
Subject: sociology
Question: The Rating of Perceived Exertion (RPE) is an example of ________________
Subject: anthropology
Question: How did colonialism function as a global movement?
Subject: mathematics
Question: Marjorie teaches piano. The equation P = 35s - 250 models the relation between her weekly profit, _P_ , in dollars and the number of student lessons, _s_ , that she teaches. ⓐ Find Marjorie’s profit for a week when she teaches no student lessons.   ⓑ Find the profit for a week when she teaches 20 student lessons.   ⓒ Interpret the slope and _P_ -intercept of the equation.   ⓓ Graph the equation.
Subject: mathematics
Question: What isP(Σx< 1,186)?
Subject: physics
Question: Suppose you drop a rock into a dark well and, using precision equipment, you measure the time for the sound of a splash to return. (a) Neglecting the time required for sound to travel up the well, calculate the distance to the water if the sound returns in 2.0000 s. (b) Now calculate the distance taking into account the time for sound to travel up the well. The speed of sound is 332.00 m/s in this well.
Subject: business
Question: Discuss ways in which intellectual property, such as trademarks, can add value to a small business. How would you protect your ability to monetize intellectual property?
Subject: physics
Question: A photon has energy 20 keV. What are its frequency and wavelength?
Subject: mathematics
Question: \frac{9}{2}c = 144
Subject: physics
Question: Does the capacitance of a spherical capacitor depend on which sphere is charged positively or negatively?
Subject: chemistry
Question: A mordant is a substance that combines with a dye to produce a stable fixed color in a dyed fabric. Calcium acetate is used as a mordant. It is prepared by the reaction of acetic acid with calcium hydroxide.2CH3CO2H+Ca(OH)2⟶Ca(CH3CO2)2+2H2O2CH3CO2H+Ca(OH)2⟶Ca(CH3CO2)2+2H2O What mass of Ca(OH)2is required to react with the acetic acid in 25.0 mL of a solution having a density of 1.065 g/mL and containing 58.0% acetic acid by mass?
Subject: business
Question: An employee who works in the graphic design department of a large advertising agency most likely cannot moonlight after business hours for a friend’s ________.    A. bakery business   B. web design business   C. construction business   D. landscaping design business
Subject: political_science
Question: The double jeopardy rule in the Bill of Rights forbids which of the following?
Subject: physics
Question: A skier with a mass of 67 kg is skiing down a snowy slope with an incline of 37°. Find the friction if the coefficient of kinetic friction is 0.07.
Subject: computer_science
Question: What performance domain is best used to help determine the approach to a project?
Subject: physics
Question: A positively charged rod attracts a small piece of cork. (a) Can we conclude that the cork is negatively charged? (b) The rod repels another small piece of cork. Can we conclude that this piece is positively charged?
Subject: astronomy
Question: Gravity always tries to collapse the mass of a star toward its center. What mechanism can oppose this gravitational collapse for a star? During what stages of a star’s life would there be a “balance” between them?
Subject: biology
Question: What is true about organisms that are a part of the same clade?
Subject: mathematics
Question: If you draw 4 cards without replacement, what is the probability of drawing a 2, 3, 4, and 5 in order?
Subject: political_science
Question: What recommendations would you make to increase voter turnout in the United States?
Subject: psychology
Question: Name three cognitive milestones typically first observed during early childhood. Identify some reasons they might be enhanced (and observed) sooner or delayed.
Subject: mathematics
Question: y^{c} \cdot y^{3}
Subject: business
Question: [LO 10.1](10-1-identify-relevant-information-for-decision-making) ________ are the costs associated with _not_ choosing the other alternative.    A. Sunk costs   B. Opportunity costs   C. Differential costs   D. Avoidable costs
Subject: physics
Question: “ E = K + U constant is a special case of the work-energy theorem.” Discuss this statement.
Subject: nursing
Question: A client has been diagnosed with Cushing’s syndrome. Which of the following dietary recommendations are appropriate for this client?
Subject: business
Question: LO6.6How can an investor or lender use the Gross Profit Margin Ratio to make financial contribution decisions?
Subject: mathematics
Question: g(x) = \sqrt{x} - \frac{1}{x^{2}}
Subject: psychology
Question: What theory emphasizes the value of intrinsic goals in contributing to lifelong personal growth and feelings of having lived a successful life?
Subject: business
Question: LO1.1If there are deviations from the stated goals and objectives, what steps can managers take to get back on track? Provide at least two specific examples.
Subject: history
Question: Which of the following wasnota key goal of the Knights of Labor? an end to convict labora graduated income tax on personal wealthequal pay regardless of genderthe creation of cooperative business enterprises
Subject: physics
Question: A dime is placed at the edge of a table so it hangs over slightly. A quarter is slid horizontally on the table surface perpendicular to the edge and hits the dime head on. Which coin hits the ground first?
Subject: biology
Question: Which of these nutrients is absorbed mainly in the duodenum?
Subject: business
Question: The FDA stands for: