SAT Subject Physics Practice Question 610: Answer and Explanation

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Question: 610


An object free falls 15m from the top of a ladder. Select the graph that best describes the following quantities during the fall.

The momentum of the object

A. A
B. B
C. C
D. D
E. E

Correct Answer: C


The correct answer is (C). The momentum of an object is the product of the mass of the object and its velocity. In this situation, the velocity is increasing in a linear manner, as shown in Graph C.

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