A ring of diameter 0.4 m and of mass 10 kg is rotating about its axis at the rate 2100 rpm.
Channel: Doubtnut
Date: 23/08/2020

A ring of diameter 0.4 m and of mass 10 kg is rotating about its axis at the rate 2100 rpm. Find (i) moment of inertia (ii) angular momentum and (iii) rotational K.E. of the ring.