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A body starting with a velocity 'v' retu...

A body starting with a velocity 'v' returns to its initial position after 't' second with the same speed, along the same line. Acceleration of the particle is

A

`(-2v)/t`

B

`(2v)/t`

C

`v/(2t)`

D

`t/(2v)`

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The correct Answer is:
A
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