contestada

From a disc of radius R and mass M, a circular hole of diameter R, whose rim passes through the centre is cut. What is the moment of inertia of the remaining part of the disc about a perpendicular axis, passing through the centre?
A) 15MR²/32
B) 13MR²/32
C) 11MR²/32
D) 9MR²/32

Q&A Education