A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an angular velocity omega Another disc of same thickness and radius but of mass (1)/(8)M is placed gently on the first disc co-axially. The angular velocity of the system is now

A thin uniform circular disc of mass M and radius R is rotating in a h

1.	A thin uniform circular disc of mass M and radius R is rotating in a horizontal plane about an axis passing through its centre and perpendicular to its plane with an angular velocity omega Another disc of same thickness and radius but of mass (1)/(8)M is placed gently on the first disc co-axially. The angular velocity of the system is now
Answer» `(8)/(9) OMEGA` `(5)/(9) omega` `(1)/(3) omega` `(2)/(9) omega` ANSWER :A