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A rubber ball is dropped on the ground f...

A rubber ball is dropped on the ground from a height of 1m. What is the height to which the ball will rebound, if the coefficient of restitution between the ball and the ground is 0.8?

A

0.5m

B

0.25n

C

0.64m

D

0.8m

Text Solution

Verified by Experts

The correct Answer is:
C
On perfectly elastic collision, the velocities of the two bodies are interchanged . Hence the two bodies must have equal masses.
or `m_(a) = m_(b)` or `( m_(a))/( m_(b))-1`
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