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OpenStudy (anonymous):
A tennis ball is dropped from 1.19 m above the ground. It rebounds to a height of 0.91 m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s 2 . (Let down be negative.) 1. answer in m/s 2.with what velocity does it leave the ground 3.If the tennis ball were in contact with the ground for 0.0105 s, find the acceleration given to the tennis ball by the ground.
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