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A ball thrown up vertically returns to t...

A ball thrown up vertically returns to the ground after 12.5 second. Find the velocity with which it was thrown up? (`g = 10 ms^(-2)`)

A

`125 ms^(-1)`

B

`65 ms^(-1)`

C

`12.5 ms^(-1)`

D

`10 ms^(-1)`

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