A disc of moment of inertia `I_(1)` is rotating freely with angular speed
Channel: Doubtnut
Date: 02/08/2020

A disc of moment of inertia `I_(1)` is rotating freely with angular speed `omega_(1)` when another non-rotating disc of moment of inertia `I_(2)` is dropped on it. The two discs then rotate as one unit. Find the final angular speed.