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Physics. Problem solving. 01_11

Physics. Problem solving. 01_11У вашего броузера проблема в совместимости с HTML5

Free fall.

A tennis ball is thrown straight up with the initial speed of 22.5 m/s. It is caught at the same distance above the ground.
a. How high does the ball rise?
b. How long does the ball remain in the air?

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