Physics · 2010
NEET 2010 · Mains · Code C · Q73
From a circular disc of radius R and mass 9 M, a small disc of mass M and radius R/3 is removed concentrically. The moment of inertia of the…
From a circular disc of radius $\displaystyle R$ and mass $\displaystyle 9 M$, a small disc of mass $\displaystyle M$ and radius $\displaystyle \frac{R}{3}$ is removed concentrically. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through its centre is
Official answer
(1)
$\displaystyle \frac{40}{9} M R^2$
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