(Answered) You toss a tennis ball straight upward at the moment it

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You toss a tennis ball straight upward. At the moment it leaves your hand it is at a height of 1.3 m above the ground, and it is moving at a speed of 7.8 m/s.

(a) How much time does it take for the tennis ball to reach its maximum height? s

(b) What is the maximum height above the ground that the tennis ball reaches? m

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