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A particle of mass 1 kg moves in a circu...

A particle of mass 1 kg moves in a circular path of radius 1 m such that its speed varies with time as per equation `v=3t^(2)m//s` where time t is in seconds. The power delivered by the force acting on the paritcle at `t=1s`, is `:-`

A

36 W

B

20 W

C

18 W

D

zero

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The correct Answer is:
A
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