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A particle of mass m is fixed to one end...

A particle of mass m is fixed to one end of a light spring of force constant k and unstretched length l. the system is rotated about the other end of the spring with an angular velocity `omega` in gravity free space. The increase in length of the spring is

A

`(momega^2l)/k`

B

`(momega^2l)/(k-momega^2)`

C

`(momega^2l)/(k+momega^2)`

D

None of these

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The correct Answer is:
B
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