From a disc of radius R and mass M, a circular
hole of radius
4
R
is removed from a distance
3
4
R
from centre. The moment of inertia of
remaining part of disc about an axis perpendicular
to plane and passing through centre of original
disc is
(1) 255 2
512
MR (2) 238 2
512
MR
(3) 237 2
512
MR (4) 253 2
512
M
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:) I can't uderstand the question
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