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A particles of mass m is fixed to one en...

A particles of mass m is fixed to one end of a light spring of force constant k and unstreatched 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

`(m omega^(2)l)/k`

B

`(m omega^(2) l)/(k-m omega^(2))`

C

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

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
2
`omega^(2)(l+Deltal)`
`kl overset(lArr)(larr).m`
`kl=m omega^(2)(l+Deltal)`
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