A solid sphere of mass `m` rolls down an inclined plane a height `h`. Find rotational kinetic energy of the sphere.

Explanation

To find the rotational kinetic energy of a solid sphere of mass `m` that rolls down an inclined plane from a height `h`, we can follow these steps:

### Step 1: Understand the Energy Conservation
When the sphere rolls down the incline, it converts its potential energy into kinetic energy. The total mechanical energy is conserved, which means the change in potential energy equals the change in kinetic energy.

### Step 2: Write the Potential Energy
The potential energy (PE) at the height `h` is given by:
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