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From a disc of radius R a mass M, a circular hole of diameter R, whose rim passes through the center is cut. What is the moment of inertia of the remaining part of the disc about a perpendicular axis passing through it?(a) 15MR2 /32 (b) 13MR2 /32 (c) 11MR2 /32 (d) 9MR2 /32 |
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Answer» (b) 13MR2 /32 |
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