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A particle moves along a circle of radiu...

A particle moves along a circle of radius r with constant tangential acceleration. If the velocity of the particle is v at the end of second revolution, after the revolution has started, then the tangential acceleration is

A

`(upsilon^2)/(8 pi r)`

B

`(v^2)/(6pi r)`

C

`(upsilon^2)/(4 pi r)`

D

`(upsilon^2)/(10 pi r)`

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The correct Answer is:
A
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