Five particles of mass 2 kg are attached to the rim of a circular disc of radius 0.1 m & negligible mass ….

Q: Five particles of mass 2 kg are attached to the rim of a circular disc of radius 0.1 m & negligible mass, Moment of inertia of the system about the axis passing through the centre of the disc & perpendicular to its plane is

(a) 1 kg-m2

(b) 0.1 kg-m2

(c) 2 kg-m2

(d) 0.2 kg-m2

Ans: (b)