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Physics
What will be the position of centre of mass of a half disc of uniform mass density as shown
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Q. What will be the position of centre of mass of a half disc of uniform mass density as shown
AIIMS
AIIMS 2018
System of Particles and Rotational Motion
A
$\frac{2a}{\pi}$
24%
B
$\frac{4a}{3\pi}$
49%
C
$\frac{a}{\pi}$
12%
D
$\frac{2a}{3\pi}$
15%
Solution:
Fact that C.O.M. of hait disk is at distance of $\frac{4a}{3 \pi} $ from center.