Physics, asked by rock8526, 1 year ago

A ball is thrown vertiy downwards frim a height of 20m

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Answered by Anonymous

Answer:

A ball is thrown vertically downwards from a height of 20m with an initial velocity v20. It collides with the ground, loses 50 persents of its energy in collision and rebounds to the same height. The initial velocity v0 is: (Takeg=10ms-2)

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