Moment of Inertia of a Composite Body
A system consists of a uniform solid sphere of mass M and radius R and a coaxial thin ring of mass M/2 and radius 2R. What is the total moment of inertia of the system about the common axis?
A
(2/5)MR² + 2MR²
B
M(2/5 + 2)R²
C
M(2/5 + 1)R²
D
(2/5)MR² + (M/2)R²
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