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A stone of mass 0.5kg is attached to a s...

A stone of mass `0.5kg` is attached to a string of length `2m` and is whirled in a horizontal circle. If the string can withstand a tension of `9N` the maximum velcoity with which the stone can be whirled is .

A

`6ms^(-1)`

B

`8ms^(-1)`

C

`4ms^(-1)`

D

`12ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A

`F = (mv^(2))/( r ) , T = (mv^(2))/(r ) `
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