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A particle is revolving in a circular pa...

A particle is revolving in a circular path of radius 2 m with constant angular speed 4 rad/s. The angular acceleration of particle is

A

Zero

B

`8pi^(2) "rad"//s^(2)`

C

`16pi^(2)"rad"//s^(2)`

D

`128pi^(2)"rad"//s^(2)`

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