a child on a beach kicks a beach ball, giving it an initial velocity of 4.0m/s.It was sitting on the ground when given the kick. The ball lands on the beach 5.0 m away with a speed of 2.2 m/s just before it hits. the final landing place is at the same level as the place where the ball was kicked. the mass of the ball is .40 kg how much work did air friction do on the ball during the trip?
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