Question

From a complete ring of mass 2M and radius R, half of the ring if cut and removed. The moment of inertia of the remaining potion about an axis passing through the centre of ring and perpendicular to the plane of the ring is​

Answer 1

Explanation:

If an arc making an angle so is moved basically 121th of ring so, the number 8 particle remaining in the ring is 1211

I=1211MR2