A particle moves in a circular path of r...

A particle moves in a circular path of radius `0.5 m` at a speed that uniformly increases. Find the angular acceleration of particle if its speed changes from `2.0m//s` to `4.0 m//s` in `4.0s`

A

`1 rad s^(-2)`

B

`2 rad s^(-2)`

C

`4 rad s^(-2)`

D

`0 rad s^(-2)`

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The correct Answer is:

A

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