SAT Subject Physics Practice Question 609: Answer and Explanation

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Question: 609

5.

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

The kinetic energy of the object

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

Correct Answer: D

Explanation:

The correct answer is (D). The kinetic energy rises as the square of the velocity, which is a parabolic curve.

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