Consider a situation where you exert a force F on a crate of mass m, moving it at a speed v a distance d across a floor in a time interval t.The quantity 1/2 mv2 is
a. the kinetic energy of the crate.
b. the potential energy of the crate.
c. the linear momentum of the crate.
d. the work you do on the crate.
e. the power you supply to the crate.
a
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2.00 moles of an ideal gas is at a pressure of 1.50 atmospheres and fills a volume of 2.00 liters. What is the average kinetic energy per particle in the gas?
a. 
b. 
c. 
d. 
e. 
How do the surface temperatures and pressures on Titan compare to those on the Earth?
A) higher temperatures and higher pressures B) lower temperatures and lower pressures C) higher temperatures and lower pressures D) lower temperatures and higher pressures
According to the Zeeman effect, the splitting of a sunspot's spectral lines is due to
A) their magnetic fields. B) a Doppler shift. C) temperature variations. D) their rapid rotation. E) their radial velocity.
Starting outside the region with the magnetic field, a single square coil of wire moves across the region with a uniform magnetic field
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. As seen from above, a counterclockwise emf is regarded as positive. Roger claims that the graph shown below represents the induced emf. Martin says he's wrong. In which direction did the loop move over the plane of the page, or is Martin correct?
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