Consider the acceleration,velocity,and displa | vedclass

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(B) $1$. During the fall,the tennis ball moves downward,so its displacement and velocity are directed downward.$2$. Upon hitting the ground and bounci

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Displacement and velocity

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(B) $1$. During the fall,the tennis ball moves downward,so its displacement and velocity are directed downward.$2$. Upon hitting the ground and bouncing back,the ball moves upward,so the directions of both displacement and velocity change to upward.$3$. Throughout the entire motion (falling and rising),the acceleration due to gravity $(g)$ always acts vertically downward.$4$. Therefore,only the directions of displacement and velocity change,while the direction of acceleration remains constant.

Consider the acceleration,velocity,and displacement of a tennis ball as it falls to the ground and bounces back. The directions of which of these change during the process?

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