An open freight car rolls friction free along a horizontal track in a pouring rain that falls vertically. As water accumulates in the car, the car's speed
A) increases.
B) decreases.
C) doesn't change.
D) need more information
Question 2
If a monkey floating in outer space throws his hat away, the hat and the monkey will both
A) move away from each other, but at different speeds.
B) move away from each other at the same speed.
C) move a short distance and then slow down.
D) move a short distance and then go faster.
E) come to a stop after a few minutes.
The Pleiades, an open cluster of stars in the constellation of Taurus.
The thermodynamics of protein folding depicted as a free-energy funnel
Warming friction created with a sawing motion (i.e., ulnar friction). The ulnar sides of the hands ...
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A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal ...
Tropical rain forest