question_answer

A circular disc of radius \[m=\frac{3}{2}\]is cut from a circular disc of radius R and mass 9M as shown. Then, moment of inertia of remaining disc about 'O perpendicular to the plane of the disc is

A) \[m=\frac{2}{3}\]

B) \[{{x}^{2}}+{{y}^{2}}-x=0\]

C) \[4{{x}^{2}}+2{{y}^{2}}-9y=0\]                  

D) \[2{{x}^{2}}+4{{y}^{2}}-9x=0\]

Correct Answer: A

Solution :

\[N{{O}_{2}}(g)\]