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A particle of mass 0.25 kg vibrates with...

A particle of mass 0.25 kg vibrates with a period of 2 s. It its greatest displacement is 0.4 m, its maximum velocity in m/s will be

A

`pi//5`

B

`pi//10`

C

`2pi//5`

D

`pi//2`

Text Solution

Verified by Experts

The correct Answer is:
C
`v_(m)=Aomega`
`=0.4xx(2pi)/(T)=0.4xx(2pi)/(2)=(4pi)/(10)=(2)/(5)pi`
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