mouryat9/CogBench huggingface dataset:
Subject: mathematics
Question: \left\\{ \begin{array}{l} {x^{2} + y^{2} = 169} \\\ {x = 12} \end{array} \right.
Subject: computer_science
Question: Regenerate the scatterplot of theSpotify dataset, but with a custom title andx-/y-axis label. The title should be “BPM vs. Danceability.” Thex-axis label should be titled “bpm” and range from the minimum to the maximum bpm value. They-axis label should be titled “danceability” and range from the minimum to the maximum Danceability value. a.PythonMatplotlib(Hint:DataFrame.min()andDataFrame.max()methods return min and max values of the DataFrame. You can call these methods upon a specific column of a DataFrame as well. For example, if a DataFrame is nameddfand has a column named “col1”,df[“col1”].min()will return the minimum value of the “col1” column ofdf.) b.A spreadsheet program such as MS Excel or Google Sheets (Hint: Calculate the minimum and maximum value of each column somewhere else first, then simply use the value when editing the scatterplot.)
Subject: history
Question: To what form of government did the American revolutionaries turn after the war for independence? republicanismmonarchydemocracyoligarchy
Subject: biology
Question: Which type of antigen-presenting molecule is found on all nucleated cells?    A. MHC II   B. MHC I   C. antibodies   D. B-cell receptors
Subject: mathematics
Question: Create a bar chart without technology to visualize the data in question 4.
Subject: physics
Question: Determine the intensities of three interference peaks other than the central peak in the central maximum of the diffraction, if possible, when a light of wavelength 500 nm is incident normally on a double slit of width 1000 nm and separation 1500 nm. Use the intensity of the central spot to be {1\ \text{mW/cm}}^{2} .
Subject: nursing
Question: The nurse is assisting a client to calculate their daily caloric intake. How many calories per gram should the nurse advise the client to assign for water?
Subject: economics
Question: A government official announces a new policy. The country wishes to eliminate its trade deficit, but will strongly encourage financial investment from foreign firms. Explain why such a statement is contradictory.
Subject: psychology
Question: Characteristics that protect against dementia by delaying onset and reducing symptoms are known as which of the following?
Subject: biology
Question: Cells in a hypertonic solution tend to:
Subject: mathematics
Question: \left( \frac{3xy^{3}}{4x^{4}y^{-2}} \right)^{2}\left( \frac{6xy^{4}}{8x^{3}y^{-2}} \right)^{-1}
Subject: mathematics
Question: \frac{5}{20}
Subject: biology
Question: White blood cells:
Subject: business
Question: LO5.2Explain conversion costs using an example.
Subject: anthropology
Question: What differences would you expect to find between communities in which there are diverse religious traditions and utopian religious communities?
Subject: biology
Question: When dehydrated human patients need to be given fluids intravenously, they are given:
Subject: mathematics
Question: \lim\limits_{x\rightarrow c}\frac{f(x)}{g(x)}
Subject: psychology
Question: The ________ stage of addiction is associated with the euphoric effects of many psychoactive drugs.
Subject: psychology
Question: Most adults identify their overall relational styles as consistent with ________ attachment.
Subject: physics
Question: In 1986, an enormous iceberg broke away from the Ross Ice Shelf in Antarctica. It was an approximately rectangular prism 160 km long, 40.0 km wide, and 250 m thick. (a) What is the mass of this iceberg, given that the density of ice is 917\ \text{kg/m}^{3} ? (b) How much heat transfer (in joules) is needed to melt it? (c) How many years would it take sunlight alone to melt ice this thick, if the ice absorbs an average of 100\ \text{W/m}^{2} , 12.00 h per day?
Subject: physics
Question: A particle moves 3.0 m along a circle of radius 1.5 m. (a) Through what angle does it rotate? (b) If the particle makes this trip in 1.0 s at a constant speed, what is its angular velocity? (c) What is its acceleration?
Subject: biology
Question: Which of the following events wouldnotnegatively impact Yellowstone’s grey wolf carrying capacity?
Subject: physics
Question: (a) What is the uncertainty in the energy released in the decay of a \pi^{0}{} due to its short lifetime? (b) What fraction of the decay energy is this, noting that the decay mode is \pi^{0}\rightarrow{\gamma + \gamma} (so that all the \pi^{0}{} mass is destroyed)?
Subject: chemistry
Question: How does an element differ from a compound? How are they similar?
Subject: mathematics
Question: \sum\limits_{n = 1}^{\infty}\frac{(-1)^{n}n\text{!}}{n^{n}}
Subject: business
Question: Mountain Dew was introduced in 1940 and marketed as “moonshine,” complete with Willy the Hillbilly proclaiming “It’ll tickle yore innards!” Since PepsiCo acquired the brand in the 1960s, Mountain Dew has cycled through new looks, logos, slogans, packaging, flavors, and brand personalities now connected with speed and velocity rather than soda brewed in a whiskey still. Research Mountain Dew’s history and consider this question: How has Mountain Dew steadily moved away from other competitors in the soft drink industry in its positioning efforts, and do you believe this movement has grown consumers’ brand loyalty?
Subject: biology
Question: Which class of molecules is the most antigenic?    A. polysaccharides   B. lipids   C. proteins   D. carbohydrates
Subject: biology
Question: Vasculitis can cause blood to leak from damaged vessels, forming purple spots called ________.
Subject: business
Question: LO14.5Should investors rely on EPS as an investing tool? Why or why not?
Subject: psychology
Question: An exceptionally clear recollection of an important event is a (an) ________.
Subject: political_science
Question: True or False: Populism is uniquely associated with politicians on the political right.
Subject: mathematics
Question: Sketch a graph of the polar equation r = 1 - 5\sin\;\theta. Label the axis intercepts.
Subject: biology
Question: The building blocks of nucleic acids are ________.
Subject: chemistry
Question: The ionization constant for water ( _K_ w ) is 9.311 \times 10 −14 at 60 °C. Calculate [H 3 O + ], [OH − ], pH, and pOH for pure water at 60 °C.
Subject: physics
Question: (a) What is the speed of a supersonic aircraft with a 17.0-m wingspan, if it experiences a 1.60-V Hall voltage between its wing tips when in level flight over the north magnetic pole, where the Earth’s field strength is 8\text{.}{\text{00} \times \text{10}^{- 5}}\ \text{T?} (b) Explain why very little current flows as a result of this Hall voltage.
Subject: physics
Question: A powerful induction cannon can be made by placing a metal cylinder inside a solenoid coil. The cylinder is forcefully expelled when solenoid current is turned on rapidly. Use Faraday’s and Lenz’s laws to explain how this works. Why might the cylinder get live/hot when the cannon is fired?
Subject: business
Question: What characteristic is common to most entrepreneurs?    A. an advanced degree   B. deep management experience   C. a driven, highly competitive nature   D. a large network of business contacts
Subject: economics
Question: What are some fiscal policies for improving a society’s human capital?
Subject: political_science
Question: Regional IGOs ________.
Subject: political_science
Question: The existence of the dual court system is an unnecessary duplication to some but beneficial to others. Provide at least one positive and one negative characteristic of having overlapping court systems in the United States.
Subject: business
Question: [LO 12.3](12-3-evaluate-an-operating-segment-or-a-project-using-return-on- investment-residual-income-and-economic-value-added) Which of the following measures the profitability of a division relative to the size of its investment in capital assets?    A. residual income (RI)   B. sales margin   C. return on investment (ROI)   D. economic value added (EVA)
Subject: business
Question: Explain White Collar Crime.
Subject: mathematics
Question: 4n + 12 = 36    A. ⓐ 66   B. ⓑ 1212
Subject: anthropology
Question: What are some of the explanations or hypotheses for the increasing brain size (encephalization) seen in the genusHomo?
Subject: computer_science
Question: How can a monolithic OS design be described?
Subject: mathematics
Question: Determine whether each number is a solution to the equation 6x - 3 = x + 20 . ⓐ 5ⓑ \frac{23}{5}
Subject: business
Question: What is a break-even point?
Subject: physics
Question: Find the atomic numbers, mass numbers, and neutron numbers for (a) {}_{29}^{58}\text{C}\text{u}, (b) {}_{11}^{24}\text{N}\text{a}, (c) {}_{\mspace{9mu} 84}^{210}\text{P}\text{o}, (d) {}_{20}^{45}\text{C}\text{a}, and (e) {}_{\mspace{9mu} 82}^{206}\text{P}\text{b} .
Subject: sociology
Question: Do you believe free access to schools has achieved its intended goal? Explain.
Subject: biology
Question: The production of melatonin is inhibited by ________.
Subject: physics
Question: If you double the current through a resistor, by what factor does the power dissipated by the resistor change?
Subject: business
Question: [LO 2.1](2-1-describe-the-income-statement-statement-of-owners-equity-balance- sheet-and-statement-of-cash-flows-and-how-they-interrelate) Identify the correct components of the income statement.    A. revenues, losses, expenses, and gains   B. assets, liabilities, and owner’s equity   C. revenues, expenses, investments by owners, distributions to owners   D. assets, liabilities, and dividends
Subject: biology
Question: Per turn of the Krebs cycle, one acetyl is oxidized, forming ____ CO 2 , ____ ATP, ____ NADH, and ____ FADH 2 molecules.
Subject: mathematics
Question: Dalila wants to make pillow covers. Each cover takes 30 inches of fabric. How many yards and inches of fabric does she need for 4 pillow covers?
Subject: biology
Question: Describe the different cell types and their functions in sponges.
Subject: biology
Question: What is the reason that you have to be immunized with a new influenza vaccine each year?
Subject: sociology
Question: Why do people join utilitarian organizations?
Subject: physics
Question: (a) At what angle is the first minimum for 550-nm light falling on a single slit of width 1\text{.}\text{00}\ \text{μm} ? (b) Will there be a second minimum?
Subject: mathematics
Question: \frac{7}{8}
Subject: biology
Question: Which of the following correctly describes the structure of the typical eukaryotic genome?    A. diploid   B. linear   C. singular   D. double stranded
Subject: physics
Question: At the beginning of a roller coaster ride, the roller coaster car has an initial energy mostly in the form of PE. Which statement explains why the fastest speeds of the car will be at the lowest points in the ride?
Subject: economics
Question: How can a small special interest group win in a situation of majority voting when the benefits it seeks flow only to a small group?
Subject: business
Question: What is the advantage of a provisional patent application, which lasts only one year?    A. It is less expensive.   B. It is not subject to examination.   C. It grants an early filing date while the inventor continues working on the invention.   D. All of the above.
Subject: physics
Question: What are you feeling when you feel your pulse? Measure your pulse rate for 10 s and for 1 min. Is there a factor of 6 difference?
Subject: psychology
Question: Emma is rapidly switching between English and Spanish when she talks to her friends and her father. She is demonstrating
Subject: physics
Question: An average-sized asteroid located 5.0\ \times \ 10^{7}\text{km} from Earth with mass 2.0\ \times \ 10^{13}\ \text{kg} is detected headed directly toward Earth with speed of 2.0 km/s. What will its speed be just before it hits our atmosphere? (You may ignore the size of the asteroid.)
Subject: business
Question: [LO 6.3](6-3-calculate-activity-based-product-costs) What are the primary differences between traditional and activity-based costing?
Subject: physics
Question: What happens to the rate of voltage oscillation within a synchrotron each time the particle completes a loop?
Subject: physics
Question: A 0.0500-kg ice cube at -30.0\ \text{°}\text{C} is placed in 0.400 kg of 35.0\text{-}\text{°}\text{C} water in a very well-insulated container. What is the final temperature?
Subject: political_science
Question: Media coverage of a race tends to ________.    A. accurately portray all races equally   B. accurately portray White and Black Americans as victims   C. overrepresent White people and the elderly as poor   D. overrepresent African Americans as poor
Subject: political_science
Question: Which is not a cause of a collective dilemma?
Subject: mathematics
Question: What are theSSbetweenandMSbetween?
Subject: business
Question: [LO 9.6](9-6-explain-how-notes-receivable-and-accounts-receivable-differ) Orion Rentals is unable to collect on a note worth $25,000 and has accumulated interest of $ĺ. It convert this note and interest to accounts receivable. After some time, Orion is still unable to collect the debt and it decides to sell the converted note to a collection agency. The collection agency will pay only 20% of the value of accounts receivable to Orion. What is the amount of cash paid to Orion from the collection agency?    A. $5,000   B. $5,050   C. $20,000   D. $19,950
Subject: business
Question: [LO 10.1](10-1-identify-relevant-information-for-decision-making) Felipe’s Restaurant and Pie Shop needs help defining the costs for his business. He also wants to know which costs are relevant or irrelevant to his decision. Identify each cost as relevant or irrelevant. Then identify the type of cost (sunk, fixed, variable, or opportunity).  Cost | Relevant or Irrelevant? | Sunk, Fixed, Variable, or Opportunity?   ---|---|---   Rent |  |    Baker wages |  |    Felipe’s culinary school tuition |  |    Berries for pies |  |    Painting dining area last year |  |    Felipe’s decision not to attend graduate school |  |
Subject: physics
Question: In what range of electromagnetic radiation are the electromagnetic waves emitted by power lines in a country that uses 50-Hz ac current?
Subject: mathematics
Question: Rewrite 16^{3x - 5} = 1000 as a logarithm. Then apply the change of base formula to solve for x using the natural log. Round to the nearest thousandth.
Subject: mathematics
Question: \underset{x\rightarrow 1}{\text{lim}}\frac{x - 1}{\text{sin}\left( {\pi x} \right)}
Subject: astronomy
Question: What methods do scientists use to distinguish a meteorite from terrestrial material?
Subject: philosophy
Question: Explain the practice ofwu wei.
Subject: mathematics
Question: \frac{3}{2\sqrt{6}}
Subject: biology
Question: Under the microscope, a tissue specimen shows cells located in spaces scattered in a transparent background. This is probably ________.
Subject: mathematics
Question: Calculate the work done by moving a particle from position (1,2,0) to (8,4,5) along a straight line with a force \mathbf{\text{F}} = 2\mathbf{\text{i}} + 3\mathbf{\text{j}} - \mathbf{\text{k}}.
Subject: chemistry
Question: Carbon tetrachloride was formerly used in fire extinguishers for electrical fires. It is no longer used for this purpose because of the formation of the toxic gas phosgene, Cl2CO. Write the Lewis structures for carbon tetrachloride and phosgene.
Subject: psychology
Question: Who was the first psychologist to use psychology in advertising?
Subject: biology
Question: The stalk of a leaf is known as the ________.
Subject: mathematics
Question: 64a^{2} + 48a + 9 = 81
Subject: political_science
Question: According to research, why might a woman decide not to run for office?
Subject: physics
Question: How does theNANAof a microscope compare with theNANAof an optical fiber?
Subject: physics
Question: An _RLC_ series circuit consists of a 50\text{-}\text{Ω} resistor, a 200\text{-}\mu\text{F} capacitor, and a 120-mH inductor whose coil has a resistance of 20\ \text{Ω} . The source for the circuit has an rms emf of 240 V at a frequency of 60 Hz. Calculate the rms voltages across the (a) resistor, (b) capacitor, and (c) inductor.
Subject: economics
Question: When governments run budget surpluses, what is done with the extra funds?
Subject: computer_science
Question: What technology is best positioned to replace today’s web technology?
Subject: physics
Question: What particle is typically released when two particles annihilate?
Subject: physics
Question: People with good hearing can perceive sounds as low as −8.00 dB at a frequency of 3000 Hz. What is the intensity of this sound in watts per meter squared?
Subject: political_science
Question: The fact that information and content on the Internet isasynchronousmeans that:
Subject: astronomy
Question: How was the rotation rate of Mercury determined?
Subject: political_science
Question: What is due process?
Subject: economics
Question: Describe how each of these changes is likely to affect poverty and inequality:    A. Incomes rise for low-income and high-income workers, but rise more for the high-income earners.   B. Incomes fall for low-income and high-income workers, but fall more for high-income earners.
Subject: astronomy
Question: What is the primary source of Jupiter’s internal heat?
Subject: business
Question: LO14.4What does owners’ equity mean for the owner?
Subject: business
Question: In the early stages of developing an entrepreneurial venture, the entrepreneur might seek funding from which group? venture capitaliststhe local bankfriends and familyshark tank
Subject: psychology
Question: Which personality assessment employs a series of true/false questions?
Subject: biology
Question: Which is the term for the hard outer covering of some dinoflagellates?    A. theca   B. thallus   C. mycelium   D. shell
Subject: mathematics
Question: Amazon.com has a network of warehouses that are used to move packages around the United States. Delivery trucks from warehouse deliver packages to other locations. These mail trucks also pick up packages to bring back to their home warehouse. Explain how a graph or multigraph might be drawn to model this scenario by identifying the objects that could be represented by vertices and the connections that could be represented by edges. Indicate whether a graph or a multigraph would be a better model.
Subject: physics
Question: Prove that the speed of an incompressible fluid through a constriction, such as in a Venturi tube, increases by a factor equal to the square of the factor by which the diameter decreases. (The converse applies for flow out of a constriction into a larger-diameter region.)
Subject: chemistry
Question: Each of the following compounds contains a metal that can exhibit more than one ionic charge. Name these compounds: (a) Cr2O3 (b) FeCl2 (c) CrO3 (d) TiCl4 (e) CoCl2·6H2O (f) MoS2
Subject: chemistry
Question: Two hypothetical salts, LM2and LQ, have the same molar solubility in H2O. IfKspfor LM2is 3.20××10–5, what is theKspvalue for LQ?
Subject: psychology
Question: The Parkinson’s disease treatment calleddeep brain stimulationtargets either the ________ or select regions within the ________ or ________ thalamus for continuous rapid electrical stimulation in a manner that reversibly diminishes the distorted contributions of these structures to the symptoms of Parkinson’s disease.
Subject: physics
Question: A ship sailing in the Gulf Stream is heading 25.0º west of north at a speed of 4.00 m/s relative to the water. Its velocity relative to the Earth is 4.80\ m/s 5.00º west of north. What is the velocity of the Gulf Stream? (The velocity obtained is typical for the Gulf Stream a few hundred kilometers off the east coast of the United States.)
Subject: mathematics
Question: Find the mass and the center of mass of \rho = 1 on the region bounded by y = x^{5} and y = \sqrt{x}.
Subject: biology
Question: What hormone directly opposes the actions of natriuretic hormones?
Subject: computer_science
Question: We can show that the worst-case order of growth for any comparison sorting algorithm must be at least linearithmic using an argument from combinatorial explosion in the number of unique permutations of elements in a list. What are the number of unique permutations of a list withNelements? How many comparison questions need to be asked to identify a particular permutation from among all the permutations? How do these questions relate to comparison sorting?
Subject: physics
Question: A discus thrower rotates with a discus in his hand before letting it go. (a) How does his moment of inertia change after releasing the discus? (b) What would be a good approximation to use in calculating the moment of inertia of the discus thrower and discus?
Subject: biology
Question: Arterioles are often referred to as resistance vessels. Why?
Subject: biology
Question: Why do people over 55 often need reading glasses?
Subject: biology
Question: Human populations have which type of survivorship curve?
Subject: physics
Question: A simple compass can be made by placing a small bar magnet on a cork floating in water. (a) What fraction of a plain cork will be submerged when floating in water? (b) If the cork has a mass of 10.0 g and a 20.0-g magnet is placed on it, what fraction of the cork will be submerged? (c) Will the bar magnet and cork float in ethyl alcohol?
Subject: biology
Question: Which portion of the ECG corresponds to repolarization of the atria?
Subject: mathematics
Question: A bicycle route climbs 20 feet for 1,000 feet of horizontal distance. What is the slope of the route?
Subject: nursing
Question: The nurse is caring for a 93-year-old client weighing 92 pounds. What is the nurse’spriorityconcern when monitoring for adverse drug effects in this client?
Subject: psychology
Question: Identify one predictor and one outcome each for rapid college completers and marginal college goers.
Subject: physics
Question: What are the closest frequencies to 500 Hz that an average person can clearly distinguish as being different in frequency from 500 Hz? The sounds are not present simultaneously.
Subject: business
Question: The Bureau of Economics concentrates on all but the following:    A. Consumer protection investigation.   B. Rulemaking.   C. Lower prices for consumers.   D. Economic impact of government regulation.
Subject: mathematics
Question: 8\frac{2}{3} \div 1\frac{1}{12}
Subject: mathematics
Question: 5r - 3r + 9r = 35 - 2
Subject: mathematics
Question: r=75−5cosθr=75−5cosθ
Subject: psychology
Question: Contrast Arnett’s and Marcia’s theories of emerging adulthood.
Subject: mathematics
Question: f(x)=cos(3x)f(x)=cos(3x)
Subject: astronomy
Question: Why does star formation occur primarily in the disk of the Galaxy?
Subject: political_science
Question: According to the Great Compromise, how would representation in Congress be apportioned?    A. Each state would have equal representation in both the House of Representatives and the Senate.   B. Congress would be a unicameral legislature with each state receiving equal representation.   C. Representation in the House of Representatives would be based on each state’s population and every state would have two senators.   D. Representation in both the House of Representatives and the Senate would be based on a state’s population.
Subject: mathematics
Question: What does standardizing a normal distribution do to the mean?
Subject: mathematics
Question: \sqrt{\frac{3}{28}}
Subject: computer_science
Question: What is the difference between the first and current generations of web frameworks?
Subject: physics
Question: An electron in a long, organic molecule used in a dye laser behaves approximately like a quantum particle in a box with width 4.18 nm. Find the emitted photon when the electron makes a transition from the first excited state to the ground state and from the second excited state to the first excited state.
Subject: history
Question: What role did Native Americans play in the wars for empire?
Subject: mathematics
Question: Jack has $12,000 to invest and wants to earn 7.5% interest per year. He will put some of the money into a savings account that earns 4% per year and the rest into CD account that earns 9% per year. How much money should he put into each account?
Subject: anthropology
Question: What roles are tribal communities taking with regard to applied anthropology?
Subject: mathematics
Question: r(t)=〈et,14−t,sec(t)〉r(t)=〈et,14−t,sec(t)〉
Subject: business
Question: All of the following are forms of restraint of trade that company might use to reduce competition except:    A. Monopolies.   B. Oversupply.   C. Price-fixing.   D. Mergers.
Subject: biology
Question: Direct count of total cells can be performed using a ________ or a ________.
Subject: physics
Question: What properties of a solid determine the speed of sound traveling through it?
Subject: political_science
Question: True or False: The bureaucracy only helps to enforce policy by ensuring people comply. The bureaucracy is never involved in the policy formation process.
Subject: chemistry
Question: Calculate these volumes. (a) What is the volume of 25 g iodine, density = 4.93 g/cm 3 ? (b) What is the volume of 3.28 g gaseous hydrogen, density = 0.089 g/L?
Subject: physics
Question: Suppose you are doing a physics lab that asks you to put a resistor into a circuit, but all the resistors supplied have a larger resistance than the requested value. How would you connect the available resistances to attempt to get the smaller value asked for?
Subject: economics
Question: Urban transit systems, especially those with rail systems, typically experience significant economies of scale in operation. Consider the transit system data inTable 11.4. Note that the quantity is in millions of riders. Demand:Quantity12345678910Price10987654321Marginal Revenue1086420–2–4–6–8Costs:Marginal Cost96532345710Average Cost97.56.75.854.74.64.64.95.4Table11.4 Draw the demand, marginal revenue, marginal cost, and average cost curves. Do they have the normal shapes?
Subject: business
Question: [LO 1.3](1-3-describe-typical-accounting-activities-and-the-role-accountants- play-in-identifying-recording-and-reporting-financial-activities) A governmental agency can best be described by which of the following statements?    A. has a primary purpose of making a profit   B. has a primary purpose of using taxpayer funds to provide services   C. produces goods for sale to the public   D. has regular shareholder meetings
Subject: economics
Question: A common name for fixed cost is “overhead.” If you divide fixed cost by the quantity of output produced, you get average fixed cost. Suppose fixed cost is $1,000. What does the average fixed cost curve look like? Use your response to explain what “spreading the overhead” means.
Subject: mathematics
Question: Carolann and Tyler deposit $8,500 in an account bearing 5.5% interest compounded yearly. If they do not deposit any more money in that account, how much will be in the account after 15 years?
Subject: physics
Question: [Figure 27.56](27-problems-exercises#import-auto-id1169737812263) shows a double slit located a distance x from a screen, with the distance from the center of the screen given by y . When the distance d between the slits is relatively large, there will be numerous bright spots, called fringes. Show that, for small angles (where \text{sin}{\ \theta \approx \theta} , with \theta in radians), the distance between fringes is given by \text{Δ}y = {{x\lambda}/d} .  Figure 27.56 The distance between adjacent fringes is \text{Δ}y = {{x\lambda}/d} , assuming the slit separation d is large compared with \lambda .
Subject: physics
Question: For a magnet, a domain refers to ______.
Subject: business
Question: What are the key aspects of the brainstorming process?
Subject: physics
Question: A mountain biker encounters a jump on a race course that sends him into the air at 60\text{°} to the horizontal. If he lands at a horizontal distance of 45.0 m and 20 m below his launch point, what is his initial speed?
Subject: physics
Question: Action at a distance, such as is the case for gravity, was once thought to be illogical and therefore untrue. What is the ultimate determinant of the truth in science, and why was this action at a distance ultimately accepted?
Subject: biology
Question: In a blood pressure measurement of 110/70, the number 70 is the ________.
Subject: biology
Question: Which bacterial pathogen causes plague?    A. _Yersinia pestis_   B. _Bacillus moniliformis_   C. _Bartonella quintana_   D. _Rickettsia rickettsii_
Subject: computer_science
Question: How do data analytics support health-care efforts?
Subject: astronomy
Question: What did Annie Cannon contribute to the understanding of stellar spectra?
Subject: mathematics
Question: {(x^{2}y)}^{2}{(3xy^{5})}^{3}
Subject: mathematics
Question: s^{\frac{1}{10}}
Subject: chemistry
Question: Determine the molecular mass of the following compounds: (a)   (b)   (c)   (d)
Subject: physics
Question: A beam of green light has a wavelength of500nmin a vacuum and a wavelength of331nmin Plexiglas. What is the refractive index of Plexiglas?
Subject: chemistry
Question: Write two complete, balanced equations for each of the following reactions, one using condensed formulas and one using Lewis structures. (a) 1 mol of 1-butyne reacts with 2 mol of iodine. (b) Pentane is burned in air.
Subject: mathematics
Question: Given that the approximate frequency ofC4#=277Hz, what is the approximate frequency of C2#rounded to the nearest whole number?
Subject: psychology
Question: A motor unit consists of:
Subject: history
Question: How could Spaniards obtain _encomiendas_ ?    A. by serving the Spanish crown   B. by buying them from other Spaniards   C. by buying them from native chiefs   D. by inheriting them
Subject: biology
Question: What is assortative mating?
Subject: biology
Question: A FAME analysis involves the conversion of _______ to more volatile _____ for analysis using ____________.
Subject: physics
Question: A student calculated the final velocity of a train that decelerated from 30.5 m/s and got an answer of −43.34 m/s. Which of the following might indicate that he made a mistake in his calculation?
Subject: mathematics
Question: ∆ABC is similar to ∆XYZ. The lengths of two sides of each triangle are given in the figure. Find the lengths of the third sides.
Subject: business
Question: [LO 5.1](5-1-describe-and-prepare-closing-entries-for-a-business) If a journal entry includes a debit or credit to the Cash account, it is most likely which of the following?    A. a closing entry   B. an adjusting entry   C. an ordinary transaction entry   D. outside of the accounting cycle
Subject: mathematics
Question: F(x,y,z)=(2xy)i+(−y2)j+(2z3)k,F(x,y,z)=(2xy)i+(−y2)j+(2z3)k,whereSSis bounded by paraboloidz=x2+y2z=x2+y2and planez=2z=2
Subject: chemistry
Question: Although PF5and AsF5are stable, nitrogen does not form NF5molecules. Explain this difference among members of the same group.
Subject: biology
Question: Active transport of K+in Malpighian tubules ensures that:
Subject: biology
Question: Which of the following organisms causes epidemic meningitis cases at college campuses?    A. _Haemophilus influenzae_ type b   B. _Neisseria meningitidis_   C. _Streptococcus pneumoniae_   D. _Listeria monocytogenes_
Subject: astronomy
Question: Describe the characteristics of the various kinds of interstellar gas (HII regions, neutral hydrogen clouds, ultra-hot gas clouds, and molecular clouds).
Subject: business
Question: LO5.2Why is the number of equivalent units for materials only sometimes equal to the equivalent units for conversion?
Subject: mathematics
Question: For Sophia’s graduation party, several tables of the same width will be arranged end to end to give serving table with a total area of 75 square feet. The total length of the tables will be two more than three times the width. Find the length and width of the serving table so Sophia can purchase the correct size tablecloth . Round answer to the nearest tenth.
Subject: physics
Question: When the current through a circular loop is 6.0 A, the magnetic field at its center is 2.0\ \times \ 10^{\text{−4}}\text{T}. What is the radius of the loop?
Subject: computer_science
Question: What is a SMART objective for a global expansion strategy?
Subject: political_science
Question: A key difference between small groups and large groups regarding collective action problems is __________.
Subject: physics
Question: A 90-kg football player jumps vertically into the air to catch a 0.50-kg football that is thrown essentially horizontally at him at 17 m/s. What is his horizontal speed after catching the ball?
Subject: business
Question: LO12.2What specific accounts are recognized when a business purchases equipment on credit?
Subject: business
Question: [LO 3.2](3-2-define-and-describe-the-expanded-accounting-equation-and-its- relationship-to-analyzing-transactions) Which of the following does _not_ accurately represent the accounting equation?    A. Assets – Liabilities = Stockholders’ Equity   B. Assets – Stockholders’ Equity = Liabilities   C. Assets = Liabilities + Stockholders’ Equity   D. Assets + Liabilities = Stockholders’ Equity
Subject: business
Question: LO4.1Why are product costs assigned to the product and period costs immediately expensed?
Subject: mathematics
Question: Calculate3234×1324.
Subject: business
Question: [LO 12.5](12-5-record-transactions-incurred-in-preparing-payroll) What are examples of involuntary deductions employers are required to collect for employee and employer payroll liabilities?
Subject: physics
Question: What do latent heats, Lfand Lv, depend on?
Subject: psychology
Question: Some people seem more willing to openly display prejudice regarding sexual orientation than prejudice regarding race and gender. Descbribe why this might be.
Subject: mathematics
Question: Find the linear approximationL(x)L(x)toy=x2+tan(πx)y=x2+tan(πx)nearx=14.x=14.
Subject: mathematics
Question: What two numbers have absolute value of 18?
Subject: sociology
Question: Only women are affected by gender stratification.
Subject: psychology
Question: Explain the similarities and differences between life review and reminiscence.
Subject: psychology
Question: What begins as a single-cell structure that is created when a sperm and egg merge at conception?
Subject: physics
Question: A motorcycle moving at a constant velocity suddenly accelerates at a rate of4.0m/s2to a speed of35m/sin5.0s. What was the initial speed of the motorcycle?
Subject: computer_science
Question: Describe in your own words the difference between data (as in data science) and information (as in information science). How does computer science shape both fields?
Subject: biology
Question: On the periodic table of the elements, mercury (Hg) has an atomic number of 80 and a mass number of 200.59. It has seven stable isotopes. The most abundant of these probably have ________.
Subject: business
Question: LO9.2You run an office supplies chain. You must determine the most appropriate bad debt estimation method to use for financial statement reporting. Your choices are the income statement, balance sheet, and balance sheet aging of receivables methods. Research a real competitor in your industry and determine which method the competitor selected. Give a detailed description of the method used and any supporting calculations.Create a hypothetical credit sale, an accounts receivable figure for your business, and compute the bad debt estimation using the competitor’s method.Create the journal entry to record bad debt.Compute bad debt using the other two methods and show the journal entry for each.What are the benefits and challenges for all of these methods?Which method would you choose for your business? Explain why.
Subject: chemistry
Question: Use theBuild a Molecule simulationto repeatExercise 2.34, but build a molecule with three carbons, seven hydrogens, and one chlorine. (a) Draw the structural formula of this molecule and state its name. (b) Can you arrange these atoms to make a different molecule? If so, draw its structural formula and state its name. (c) How are the molecules drawn in (a) and (b) the same? How do they differ? What are they called (the type of relationship between these molecules, not their names)?
Subject: biology
Question: What can be inferred about the relative sizes of the areas of cortex that process signals from skin not densely innervated with sensory receptors and skin that is densely innervated with sensory receptors?
Subject: mathematics
Question: A computer generates 100 random numbers, and 100 people whose names correspond with the numbers on the list are chosen.
Subject: biology
Question: Myelofibrosis is a disorder in which inflammation and scar tissue formation in the bone marrow impair hemopoiesis. One sign is an enlarged spleen. Why?
Subject: biology
Question: Nonseptate hyphae are also called _________.
Subject: mathematics
Question: The temperature of a welder’s torch increases 1,112 ºF every 3 minutes. About how many minutes does it take for the torch to increase 1,200 ºC?
Subject: political_science
Question: States pursue ________ policies when they build up military might in order to influence an adversary state or states to reconsider taking aggressive military action against them.
Subject: economics
Question: In a program of deposit insurance as it is operated in the United States, what is being insured and who pays the insurance premiums?
Subject: biology
Question: Explain the hormonal regulation of the phases of the menstrual cycle.
Subject: philosophy
Question: Why did Aristotle think virtuous development is important for achievingeudaimonia, or a flourishing life?
Subject: mathematics
Question: For the function, f(x) = x^{2} + 11x + 20, ⓐ find when f(x) = -8 ⓑ Use this information to find two points that lie on the graph of the function.
Subject: business
Question: LO2.2What is the “accounting equation”? List two examples of business transactions, and explain how the accounting equation would be impacted by these transactions.
Subject: biology
Question: Which of the following isnota key advantage provided by the exoskeleton of terrestrial arthropods?
Subject: biology
Question: Foreign particles circulating in the blood are filtered by the ____________.
Subject: physics
Question: Find the wavelength of radiation that can eject 2.00-eV electrons from calcium electrode. The work function for calcium is 2.71 eV. In what range is this radiation?
Subject: business
Question: LO6.3A retailer discovers that 50% of the total inventory items delivered from the manufacturer are damaged. The original purchase for all inventory was $1,100. The retailer decides to return 20% of the damaged inventory for a full refund and keep the remaining 80% of damaged inventory. What is the value of the merchandise returned?
Subject: biology
Question: Which of these occurs through symbiotic nitrogen fixation?
Subject: astronomy
Question: Pictures of various planetary nebulae show a variety of shapes, but astronomers believe a majority of planetary nebulae have the same basic shape. How can this paradox be explained?
Subject: physics
Question: A sound wave traveling in 20ºC air has a pressure amplitude of 0.5 Pa. What is the intensity of the wave?
Subject: psychology
Question: Joey was convicted of domestic violence. As part of his sentence, the judge has ordered that he attend therapy for anger management. This is considered ________ treatment.
Subject: business
Question: What is often the most serious damage that a court can impose upon an infringer?    A. A very large award for monetary damages.   B. Pre- and post judgment interest payments on the damage award.   C. Injunctive relief barring further sales of the infringer’s products.
Subject: chemistry
Question: Antimony pentachloride decomposes according to this equation: SbCl5(g)⇌SbCl3(g)+Cl2(g)SbCl5(g)⇌SbCl3(g)+Cl2(g) An equilibrium mixture in a 5.00-L flask at 448 °C contains 3.85 g of SbCl5, 9.14 g of SbCl3, and 2.84 g of Cl2. How many grams of each will be found if the mixture is transferred into a 2.00-L flask at the same temperature?
Subject: economics
Question: Which kind of monetary policy would you expect in response to recession: expansionary or contractionary? Why?
Subject: physics
Question: A number of amusement parks have rides that make vertical loops like the one shown inFigure 6.30. For safety, the cars are attached to the rails in such a way that they cannot fall off. If the car goes over the top at just the right speed, gravity alone will supply the centripetal force. What other force acts and what is its direction if: (a) The car goes over the top at faster than this speed? (b)The car goes over the top at slower than this speed? Figure6.30Amusement rides with a vertical loop are an example of a form of curved motion.
Subject: sociology
Question: Two people who have just had a baby have turned from a _______ to a _________.
Subject: business
Question: What is a lean plan and what are its components?
Subject: biology
Question: Describe the structure and composition of nails.
Subject: physics
Question: Can you see a virtual image? Can you photograph one? Can one be projected onto a screen with additional lenses or mirrors? Explain your responses.
Subject: business
Question: [LO 1.3](1-3-explain-the-primary-roles-and-skills-required-of-managerial- accountants) According to the information on management accounting available at http://www.accounting.com/careers/, what are some areas of specialization?
Subject: sociology
Question: Which of the following is the best example of a gender stereotype?
Subject: chemistry
Question: Predict the sign of the entropy change for the following processes. Give a reason for your prediction. (a)Na+(aq)+Cl−(aq)⟶NaCl(s)Na+(aq)+Cl−(aq)⟶NaCl(s) (b)2Fe(s)+32O2(g)⟶Fe2O2(s)2Fe(s)+32O2(g)⟶Fe2O2(s) (c)2C6H14(l)+19O2(g)⟶14H2O(g)+12CO2(g)2C6H14(l)+19O2(g)⟶14H2O(g)+12CO2(g)
Subject: mathematics
Question: The sum of two consecutive odd integers is -°. Find the numbers.
Subject: physics
Question: Why is it much easier to demonstrate in a student lab that a changing magnetic field induces an electric field than it is to demonstrate that a changing electric field produces a magnetic field?
Subject: psychology
Question: Ascending targets of both the basal ganglia modifications and the cerebellar modifications (modified within the ventral anterior and ventral lateral thalamus), generate thalamocortical projections targeting the ________ cortices where preconscious habitual or practiced modifications and adjustments are added more specifically to our movement repertoires via ________ cortices.
Subject: biology
Question: What do both rate of speciation models have in common?
Subject: computer_science
Question: TechWorks decided to implement their prosthetic control software with a low-specification (e.g., reduced instruction set) CPU and the C programming language. Alternatively, they could have used the high-level language Java, and a more powerful CPU that consumes more energy. How does this design decision impact the user’s experience?
Subject: chemistry
Question: Arrange each of the following sets of compounds in order of increasing boiling point temperature: (a) HCl, H 2 O, SiH 4 (b) F 2 , Cl 2 , Br 2 (c) CH 4 , C 2 H 6 , C 3 H 8 (d) O 2 , NO, N 2
Subject: mathematics
Question: 19 = p - 15
Subject: history
Question: What was one of the major student organizations engaged in organizing protests and demonstrations against the Vietnam War?    A. Committee for American Democracy   B. Freedom Now Party   C. Students for a Democratic Society   D. Young Americans for Peace
Subject: biology
Question: Which of the following can NOT be prevented with a vaccine?    A. tetanus   B. pneumococcal meningitis   C. meningococcal meningitis   D. listeriosis
Subject: chemistry
Question: Based on their positions in the periodic table, predict which has the largest first ionization energy: Mg, Ba, B, O, Te.
Subject: economics
Question: AT&T spent some $10 million dollars lobbying Congress to block entry of competitors into the telephone market in 1978. Why do you think it efforts failed?
Subject: business
Question: What’s the definition of Corporate Responsibility?
Subject: nursing
Question: The nurse caring for a client transitioning from female to male who has not undergone gender-affirming surgery teaches the client about maintaining regular health care checks. Which statement is correct to include?
Subject: biology
Question: Genetically unique individuals are produced through ________.
Subject: biology
Question: Cells of the epidermis derive from stem cells of the stratum basale. Describe how the cells change as they become integrated into the different layers of the epidermis.
Subject: biology
Question: ________ is a cancer that forms in patients with HHV-4 and malaria coinfections.
Subject: mathematics
Question: If the functionf(x,y)f(x,y)and all its second derivatives are continuous everywhere, thenfxy=fyx.fxy=fyx.
Subject: anthropology
Question: What is religion, and why do you think it is universal across cultures?
Subject: mathematics
Question: ⓐ \sqrt[4]{16x^{8}}   ⓑ \sqrt[6]{64y^{12}}
Subject: physics
Question: What is the equation for conservation of momentum along they-axis for 2D collisions in terms of mass and velocity, where one of the particles is initially at rest?
Subject: sociology
Question: Which type of group leadership has a communication pattern that flows from the top down?
Subject: physics
Question: Monochromatic light of wavelength 530 nm passes through a horizontal single slit of width 1.5\ \mu\text{m} in an opaque plate. A screen of dimensions 2.0\ \text{m}\ \times \ 2.0\ \text{m} is 1.2 m away from the slit. (a) Which way is the diffraction pattern spread out on the screen? (b) What are the angles of the minima with respect to the center? (c) What are the angles of the maxima? (d) How wide is the central bright fringe on the screen? (e) How wide is the next bright fringe on the screen?
Subject: psychology
Question: Researchers have developed devices that have the potential to replace or repair a part of the nervous system using a computer model that can simulate the processing in that brain region.  This is an example of:
Subject: mathematics
Question: The displacement h(t) in centimeters of a mass suspended by a spring is modeled by the function h(t) = \frac{1}{4}\mspace{9mu}\sin(120\pi t), where t is measured in seconds. Find the amplitude, period, and frequency of this displacement.
Subject: astronomy
Question: How might a crater made by the impact of a comet with the Moon differ from a crater made by the impact of an asteroid?
Subject: mathematics
Question: SupposeX~N(4, 2). What value ofxis 1.5 standard deviations to the left of the mean?
Subject: political_science
Question: How have the methods presidents use to negotiate with their party and the opposition changed over time?
Subject: mathematics
Question: Solve for _x_ :   \text{log}_{7}\left( {x + 2} \right) + \text{log}_{7}(x - 3) = \text{log}_{7}24
Subject: psychology
Question: Cognitive psychology is the branch of psychology that focuses on the study of ________.
Subject: chemistry
Question: While resting, the average 70-kg human male consumes 14 L of pure O2per hour at 25 °C and 100 kPa. How many moles of O2are consumed by a 70 kg man while resting for 1.0 h?
Subject: physics
Question: Scouts at a camp shake the rope bridge they have just crossed and observe the wave crests to be 8.00 m apart. If they shake the bridge twice per second, what is the propagation speed of the waves?
Subject: political_science
Question: An appeal is __________.
Subject: sociology
Question: If a sociologist points out that core nations dominate the global economy, in part by creating global interest rates and international tariffs that will inevitably favor high-income nations over low-income nations, he is a:
Subject: mathematics
Question: \sum\limits_{n = 1}^{\infty}\frac{(-1)^{n}}{\sqrt{n}}
Subject: chemistry
Question: What is the spacing between crystal planes that diffract X-rays with a wavelength of 1.541 Å at an angleθof 15.55° (first order diffraction)?
Subject: mathematics
Question: y=1x+1=12,x0=0y=1x+1=12,x0=0
Subject: biology
Question: Allergy to pollen is classified as:
Subject: physics
Question: When an air bubble rises from the bottom to the top of a freshwater lake, its volume increases by 80\% . If the temperatures at the bottom and the top of the lake are 4.0 and 10 \text{°}\text{C} , respectively, how deep is the lake?
Subject: psychology
Question: Elise has a sense that her problems are unique, that nobody has ever experienced them, and that her pain is a special kind of suffering that nobody haseverfelt. This is an example of the concept of __________.