A Rock Is Thrown Straight Up and Reaches a Maximum

question 43

Multiple Choice

A rock is thrown straight up and reaches a maximum height.Which of the following describes the motion at the maximum height?

• A) the velocity is zero and the acceleration is zero
• B) the velocity is maximum and the acceleration is zero
• C) the acceleration is increasing and the velocity is zero
• D) the acceleration is not changing and the velocity is zero

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