A boy throws a ball of mass 0.25 kg straight upward with an initial speed of 20 m/s When the ball returns the boy, its speed is 17 m/s How much much work does air resistance do on the ball during its flight?
A boy throws a ball of mass 0.25 kg straight upward with an initial speed of 20 m/s When the ball returns the boy, its speed is 17 m/s How much much work does air resistance do on the ball during its flight?
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Transcribed Image Text:A boy throws a ball of mass 0.25 kg straight
upward with an initial speed of 20 m/s When the
ball returns the boy, its speed is 17 m/s How
much much work does air resistance do on the
ball during its flight?
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