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A body mass 100 g is revolving in a hori...

A body mass 100 g is revolving in a horizontal circle. If its frequency of rotation is 3.5 r.p.s. and radius of circular path is 0.5 m, the angular speed of the body is

A

18 rad/s

B

20 rad/s

C

22 rad/s

D

24 rad/s

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