Questions from College Physics

Q: A nurse recorded the values shown in the following chart for a

A nurse recorded the values shown in the following chart for a patient's temperature. Plot a graph of temperature versus elapsed time. From the graph, find (a) an estimate of the temperature at noon...

Q: An object is moving in the x-direction. A graph

An object is moving in the x-direction. A graph of its position (i.e., its x-coordinate) as a function of time is shown. (a) What are the slope and vertical axis intercept? (Be sure to include units....

Q: You have just performed an experiment in which you measured many values

You have just performed an experiment in which you measured many values of two quantities, A and B. According to theory, A = cB3 + A0. You want to verify that the values of c and A0 are correct by mak...

Q: A graph of x versus t4, with x on the vertical

A graph of x versus t4, with x on the vertical axis and t4 on the horizontal axis, is linear. Its slope is 25 m/s4 and its vertical axis intercept is 3 m. Write an equation for x as a function of t....

Q: In a laboratory you measure the decay rate of a sample of

In a laboratory you measure the decay rate of a sample of radioactive carbon. You write down the following measurements: (a) Plot the decay rate versus time. (b) Plot the natural logarithm of the deca...

Q: In a physics lab, students measure the sedimentation velocity v of

In a physics lab, students measure the sedimentation velocity v of spheres with radius r falling through a fluid. The expected relationship is v = 2r2 g (ρ − ρf)/(9η). (a) How should the students plo...

Q: (a) Estimate the number of breaths you take in

(a) Estimate the number of breaths you take in one year. (b) Estimate the volume of air you breathe in during one year.

Q: Use dimensional analysis to determine how the linear speed (v in

Use dimensional analysis to determine how the linear speed (v in m/s) of a particle traveling in a circle depends on some, or all, of the following properties: r is the radius of the circle; ω is an a...

Q: According to Kepler's third law, the orbital period T of a

According to Kepler's third law, the orbital period T of a planet is related to the radius R of its orbit by T2 ∝ R3. Jupiter's orbit is larger than Earth's by a factor of 5.19. What is Jupiter's orbi...

Q: The weight of a baby measured over the first 10 months is

The weight of a baby measured over the first 10 months is given in the following table. (a) Plot the baby's weight versus age. (b) What was the average monthly weight gain for this baby over the per...