To test the quality of a tennis ball

PHYSICS · Subjective · CBSE · Physics · Force and Laws of Motion · Force and Laws of Motion

Problem

To test the quality of a tennis ball, you drop it onto the floor from a height of

4.00\ \text{m}

. It rebounds to a height of

2.00\ \text{m}

. If the ball is in contact with the floor for

12.0\ \text{ms}

, what is its average acceleration during that contact? Take

g=98\ \text{m s}^{-2}

.

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