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A ball A is thrown vertically upwards wi...

A ball A is thrown vertically upwards with speed u. At the same instant another ball B is related from rest at height h. At time t, the speed of A relative to B is

A

`u`

B

`u - 2g t`

C

`sqrt(u^2 - 2gh)`

D

`u - g t`

Text Solution

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The correct Answer is:
B
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