Question

A fly wheel rotating about a fixed axis has a kinetic
energy of 360 joule when its angular speed is
30 radian/sec. The moment of inertia of the wheel
about the axis of rotation is
(a) 0.6 kg/m² (b) 0.15 kg m²
(c) 0.8 kg m² (d) 0.75 kg m²

Answer 1

Explanation:

(a) 0.6 kg/m² (

b) 0.15 kg m²✔✅

(c) 0.8 kg m²

(d) 0.75 kg m²