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A paricle is describing the circular pat...

A paricle is describing the circular path of radius 20 m in every 2 s. The average angular speed of the particle during 4 s is

A

`20 pi rad s^-1`

B

`4 pi rad s^-1`

C

`pi rad s^-1`

D

`2 pi rad s^-1`

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