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[" A body falling from a height of "10m"...

[" A body falling from a height of "10m" rebounds "],[" from hard floor.If it loses "20%" energy in the "],[" impact,then coefficient of restitution is "],[[" (1) "0.89," (2) "0.56," of "36," stationary "],[" (3) "0.23," (4) "0.18," the two "],[" energy di "]]

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