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A particle starts moving along a circle ...

A particle starts moving along a circle of radius `(20//pi)m` with constant tangential acceleration. If velocity of the particle is 50 m/s at the end of the second revolution after motion has began, the tangential acceleration in `ms^(-2)` is

A

`160pim//s^(2)`

B

`40pim//s^(2)`

C

`40pim//s^(2)`

D

`640pim//s^(2)`

Text Solution

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The correct Answer is:
b
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