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A body of mass 2 kg is tied to the end o...

A body of mass 2 kg is tied to the end od a string 2 m long and revolved in horizontal circle .If the breaking tension of the string is 400 N, then the maximum velocity of the body will be

A

`10mm//s`

B

`30m//s`

C

`20m//s`

D

`40m//s`

Text Solution

Verified by Experts

The correct Answer is:
C
`T=(mv^(2))/(r) therefore v^(2)=(Tr)/(m)`
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