Two objects of masses `1kg` and `2kg` separated by a distance of `1.2m` are rotating about their centre of mass. Find the moment of inertia of the system

Options

A. `0.96 kgm^(2)`
B. `0.48 kgm^(2)`
C. `0.83 kgm^(2)`
D. `0.72 kgm^(2)`

Answer

A

Explanation

`I=((m_(1)m_(2))/(m_(1)+m_(2)))r^(2)`