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A tennis ball which mass is 59g dropped from 3m, reaches the ground at 769 m/s and rebounds to the height of 1.7m taking 562

A tennis ball which mass is 59g dropped from 3m, reaches the ground at 769 m/s and rebounds to the height of 1.7m taking 562 m/s. Kinetic energy is 17445.1J What is the velocity of the object just before impact, using kinetic energy

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