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A ring of radius R is made of a thin wir...

A ring of radius R is made of a thin wire of material of density `rho`, having cross-section area a and Young's modulus y. The ring rotates about an axis perpendicular to its plane and through its centre. Angular frequency of rotation is `omega`.
The ratio of kinetic energy to potential energy is

A

`(y)/(rho R^(2) omega^(2))`

B

`(2y)/(rho R^(2) omega^(2))`

C

`(y)/(2rho R^(2)omega^(2))`

D

`(y)/(4 rho R^(2) omega^(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
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