JEE Main Physics question

Physics Systems of Particles and Rotational Motion JEE Main

The moment of inertia of a flywheel having kinetic energy 360 J and angular speed 20 rad s⁻¹ is

(A)18 kg·m²
(B)1.8 kg·m²Correct
(C)2.5 kg·m²
(D)9 kg·m²

Answer: (B)

Solution

kg·m².

Question ID VK-158576