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In the above problem if body is thrown d...

In the above problem if body is thrown down with velocity 'u' the equation for the descent time is

A

`h=(1)/(2)"gt"^(2)`

B

`h=ut+(1)/(2)"gt"^(2)`

C

`-h=-ut+(1)/(2)"gt"^(2)`

D

`-h=-ut+(1)/(2)"gt"^(2)`

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The correct Answer is:
B
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