Rotational MotionMedium
Question
The axis X and Z in the plane of a disc are mutually perpendicular and Y-axis is perpendicular to the plane of the disc. If the moment of inertia of the body about X and Y axes is respectively 30 kg m2 and 40 kg m2 then M.I. about Z-axis in kg m2 will be :-
Options
A.70
B.50
C.10
D.zero
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