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A ball of mass 400 g is thrown upwards at a speed of 5 m/s. (g = 9.81 N/kg). Calculate a. The ball's kinetic

A ball of mass 400 g is thrown upwards at a speed of 5 m/s. (g = 9.81 N/kg). Calculate a. The ball's kinetic energy as it is released. b. The ball's maximum gain in potential energy. c. The ball's maximum height.

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