Question

From a circular disc of radius R and mass 9M, a
small disc of mass M and radius R / 3 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 is
-
(1) MR2 (2) 4 MR2
(3)
9
4 MR2 (4)
9
40 MR2

Answer 1

Answer:

big disc- small disc and get answer

Explanation:

imr^2- imr^2