Derive relation between kinetic energy of rotation and moment of inertia.

Explanation

We know, kinetic energy `(E) = 1/2mv^2`
As `v = omegar`
So `E =1/2 mr^2omega^2 implies E =1/2 Iomega^2 " "[ :. I = mr^2]`
which is required relationship between kinetic energy of rotation and moment of inertia.