A ball falls under gravity from a height of 10 m with an initial downwards velocity u It collides with the ground losses 50 of

Question

A ball falls under gravity from a height of 10 m with an initial downwards velocity u It collides with the ground losses 50 of its energy in collision and then rises back to the same height The initial velocity u is 1 7ms 1 2 25 ms 1 3 14 ms 4 28 ms nigh tek piger 1 pagen 2gh gh u glx u SON

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