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A tennis ball is dropped from 1.71 m above the ground. It rebounds to a height of 0.828m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s2. (Let down be negative.) Answer
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A tennis ball is dropped from 1.71 m above the ground. It rebounds to a height of 0.828m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s2. (Let down be negative.) Answer in units of m/s.

User Screenack
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The velocity at which it hits the ground is 4.8497 .
User Cing
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