SAT Subject Physics Practice Question 4: Answer and Explanation

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Question: 4

4. A baseball is thrown straight upward. What is the ball’s acceleration at its highest point?

A. 0
B. g, downward
C. g, downward
D. g, upward
E. g, upward

Correct Answer: C


The baseball is still under the influence of Earth’s gravity. Its acceleration throughout the entire flight is constant, equal to g downward.

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