If galaxy A is four times more distant than galaxy B, then according to the Hubble law, galaxy A will recede ___________ than galaxy B
a. 16 times faster
b. 4 times faster
c. 2 times faster
d. 1.2 times faster
e. 0.25 times faster
b
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A jogger runs halfway around a circular path with a radius of 70 m. What, respectively, are the magnitude of the displacement and the distance jogged?
a. 70 m, 220 m c. 140 m, 220 m b. 70 m, 440 m d. 140 m, 440 m
Imagine we have an adjustable slit that we can make wider or narrower. If we shine light of a fixed intensity on the slit, and then crank the slit so its width decreases (while keeping other things the same), will the light at the center of the central peak on the display screen (A) remain the same, (B) get brighter, or (D) get dimmer?
A. Remain the same B. Get brighter D. Get dimmer
Suppose that an object’s entropy increases from zero when its thermal energy is U = 0 to some maximum value when U = 
Umax, and then goes back to zero when U = Umax (as shown in the drawing below). The greatest thermal energy U that such an object could have when in thermal equilibrium with a normal object is closest to which of the following?
A. 0
B. 
Umax
C. 
Umax
D. 
Umax
E. Umax
F. Other (specify)
A small car has a head-on collision with a large truck. Which of the following statements concerning the magnitude of the average force due to the collision is correct?
A) The truck experiences the greater average force. B) The small car experiences the greater average force. C) The small car and the truck experience the same average force. D) It is impossible to tell since the masses are not given. E) It is impossible to tell since the velocities are not given.