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A tennis ball of mass m = 0.057 kg and speed U 26 m/s strikes a wall at a 45° angle and rebounds with the same speed at 45. (
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al since we know that WVCOS Ko - m vainois Fot - AMV= m - m --Myging! + MVC0301-mysing-mycose mucoso Cosoy → mulsinoi = (FDH)

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