SAT Subject Physics Practice Question 34: Answer and Explanation

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Question: 34

11. The moon has mass M and radius R. A small object is dropped from a distance of 3R from the moon’s center. The object’s impact speed when it strikes the surface of the moon is equal to for k =

A.
B.
C.
D.
E.

Correct Answer: D

Explanation:

Apply conservation of mechanical energy.

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