A flywheel rotating about a fixes axis has a kinetic energy of 360 joule when its angular speed is 30 rad/sec. the moment of inertia of the wheel about the axis of rotation

Q: A flywheel rotating about a fixes axis has a kinetic energy of 360 joule when its angular speed is 30 rad/sec. the moment of inertia of the wheel about the axis of rotation

(a) 0.6 kg m2

(b) 0.15 kg m2

(c) 0.8 kg m2

(d) 0.75 kg m2

Ans: (c)