Q.
A metal ball falls from a height of 32m on a steel plate. If the coefficient of restitution is 0.5, to what height will the ball rise after second bounce?
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a
2 m
b
4 m
c
8 m
d
16 m
answer is A.
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Detailed Solution
hn=he2n=32124=3216=2 m (here, n = 2, e = 1/2)
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