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A rubber ball dropped from a height of 2...

A rubber ball dropped from a height of 20 cm `(g = 10 m//s^(2))` falls on the roof of an elevator going up at 2 m/s. If the collision of the ball with the elevator is elastic, the ball rebounds with a velocity of

A

20m/s

B

22m/s

C

24m/s

D

26m/s

Text Solution

Verified by Experts

The correct Answer is:
C
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