A circular disc is rotating about its own axis at a uniform angular velocity . omega.The disc is subjected to uniform angular retardation by which its angular oo velocity is decreased to omega/2during 120 rotations. The number of rotations further made by it before coming to rest is:

A circular disc is rotating about its own axis at a uniform angular ve

1.	A circular disc is rotating about its own axis at a uniform angular velocity . omega.The disc is subjected to uniform angular retardation by which its angular oo velocity is decreased to omega/2during 120 rotations. The number of rotations further made by it before coming to rest is:
Answer» 120 60 40 20 Answer :C