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A ball is thrown up under gravity . Find...

A ball is thrown up under gravity . Find its velocity after 1.0 sec at a height of 10m

A

`5m//s^2`

B

`5m//sec`

C

10m/sec

D

15m/sec

Text Solution

Verified by Experts

The correct Answer is:
D
`h = ut - 1/2 g t^2`
`rArr 10= u - 1/2 xx 10`
`rArr u = 15m//s`
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