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A particle moves with constant speed v a...

A particle moves with constant speed v along a circular path of radius r and completes the circle in time T. The acceleration of the particle is

A

`2pi v//T`

B

`2pi r//T`

C

`2pi r^(2)//T`

D

`2pi v^(2)//T`

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The correct Answer is:
A
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