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A ball falls from a height such that it ...

A ball falls from a height such that it strikes the floor of lift at 10 m/s. If lift is moving in the upward direction with a velocity 1 m/s, then velocity with which the ball rebounds after elastic collision will be

A

`11 ms^(-1)` downwards

B

`12 ms^(-1)` upwards

C

`13 ms^(-1) ` upwards

D

`12 ms ^(-1)` downwards

Text Solution

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The correct Answer is:
B
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