loses 50 percent of its energy in collision and rebounds to the same height. The initial velocity υ0 is (Take g=10ms^−2)

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A ball is thrown vertically downwards from a height of 20 m with an initial velocity υ0. It collides with the ground, loses 50 percent of its energy in collision and rebounds to the same height. The initial velocity υ0 is (Take g=10ms^−2)
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Aug
A ball is thrown vertically downwards from a height of 20 m with an initial velocity υ0. It collides with the ground, loses 50 percent of its energy in collision and rebounds to the same height. The initial velocity υ0 is (Take g=10ms^−2) A ball is thrown vertically downwards from a height of 20 m [...]
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Tags: A ball is thrown vertically downwards from a height of 20 m with an initial velocity υ0. It collides with the ground , loses 50 percent of its energy in collision and rebounds to the same height. The initial velocity υ0 is (Take g=10ms^−2) ,