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A baseball is hit upward and travels along a parabolic arc before it strikes the

ID: 1536976 • Letter: A

Question

A baseball is hit upward and travels along a parabolic arc before it strikes the ground. Which one of the following statements is necessarily true? The velocity of the ball is a maximum when the ball is at the highest point in the arc. The velocity of the ball is zero m/s when the ball is at the highest point in the arc. The x-component of the velocity of the ball is the same throughout the ball's fight. The acceleration of the ball decreases as the ball moves upward. The acceleration of the ball is zero m/s^2 when the ball is at the highest point in the arc.

Explanation / Answer

The X component of the velocity of the ball is the same throughout the ball's flight.

i.e., option (c). is correct.

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