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Physics, 20.08.2019 23:10 ekerns2000paa19x

Aboy throws a ball of mass 0.25 kg straight upward with an initial speed of 20 m/s. when the ball returns to the boy, its speed is 17 m/s. how much work does air resistance do on the ball during its flight?

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Aboy throws a ball of mass 0.25 kg straight upward with an initial speed of 20 m/s. when the ball re...

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