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Question: A ball is dropped from a height h on a floor of coefficient of restitution e. The total distance cov...

A ball is dropped from a height h on a floor of coefficient of restitution e. The total distance covered by the ball just before second hit is –

A

h(1 – 2e2)

B

h(1 + 2e2)

C

h(1 + e2)

D

he2

Answer

h(1 + 2e2)

Explanation

Solution

Q Ball is dropped from height h

\ Height attained by the ball after collision = e2h

̃ Total distance = h + e2h + e2h = h(1 + 2e2)