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 velocity is decreased to (omega)/(2) during 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 velocity is decreased to (omega)/(2) during 120 rotations. The number of rotations further made by it before coming to rest is
Answer» 120 60 40 20 Answer :C