a body is thrown up with a velocity of √8ms from the top of the tower 20m high the ratio between this velocity and the velocity with which it touches the ground is
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A body is thrown vertically up with a velocity of √8m/s from the top of a tower 20m high.The ratio between this velocity with which it touches the ground is1) 1:2
2) 2:3
3) 1:5√2
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