A circular disc rotates freely about a vertical axis through its centre with angular velocity omega_(1).A ring having the same mass and radius as the disc is placed on the disc and the system now rotates with an angular velocity omega_(2)about the same vertical axis. Then omega_(2)//omega_(1) is:

A circular disc rotates freely about a vertical axis through its centr

1.	A circular disc rotates freely about a vertical axis through its centre with angular velocity omega_(1).A ring having the same mass and radius as the disc is placed on the disc and the system now rotates with an angular velocity omega_(2)about the same vertical axis. Then omega_(2)//omega_(1) is:
Answer» `1/3` `1/2` `3/2` `2/3` ANSWER :A