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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

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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
A. 0.89
B. 0.56
C. 0.23
D. 0.18
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Correct Answer - A
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