1.

Paragraph-1 : Two discs A and B are mounted coaxially on a vertical axle. The discs have moments of inertia I and 2I respectively about the common axis. Disc A is imparted aninitial angular velocity 2omega using the entire potential energy of a spring compressed by a distance x_(1). Disc B is imparted an angular velocity omega by a spring having the same spring constant and compressed by a distance x_(2). Both the discs rotate in the clockwise direction. The loss of kinetic energyduring the above process is :

Answer»

`(IOMEGA^(2))/(2)`
`(Iomega^(2))/(3)`
`(Iomega^(2))/(4)`
`(Iomega^(2))/(6)`.

Answer :B


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