A horizontal disc rotates freely with angular velocity 'omega' about a vertical axis through its centre. A ring, having the same mass and radius as the disc, is gently placed on the dics. The common angular velocity with which the two ratatewill be,

A horizontal disc rotates freely with angular velocity 'omega' about a

1.	A horizontal disc rotates freely with angular velocity 'omega' about a vertical axis through its centre. A ring, having the same mass and radius as the disc, is gently placed on the dics. The common angular velocity with which the two ratatewill be,
Answer» `OMEGA` `omega//2` `omega//3` `omega//4` ANSWER :C