Question

From a circular disc of radius R and mass 9M a small disc of radius R/3 is removed from the disc as shown in figure

Answer 1

From a circular disc of radius R and mass 9M, a small disc of mass M and radius 3R is removed concentrically. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through its centre .

Answer 2

Answer:

A circular disc of radius R and mass 9M, a small disc of mass M and radius 3R is removed concentrically.

The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through its centre .