Free Fall: An astronaut stands by the rim of a crater on the Moon, where the acceleration of gravity is 1.62 m/s2 and there is no air. To determine the depth of the crater, she drops a rock and measures the time it takes for it to hit the bottom. If the time is 6.3 s, what is the depth of the crater?
A. 10 m
B. 14 m
C. 26 m
D. 32 m
E. 38 m
Answer: D
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