1.

A uniform rod of mass M and length L lies radially on a disc rotating with angular speed omega in a horizontal plane about its axis. The rod does not slip on the disc and the centre of the rod is at a distance R from the centre of the disc. Then the kinetic energy of the rod is :

Answer»

`1/2momega^(2)(R^(2)+(L^(2))/(12))`
`1/2momega^(2)R^(2)`
`1/(24)momega^(2)L^(2)`
`(1)/(24)momega^(2)((L^(2))/(3)+(L-R)^(2))`

ANSWER :A


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