A solid cylinder of radius r rolls down an inclined plane of height `h` and inclination `theta`. Calculate its speed at the bottom of the plane using energy method. Also calculate the time taken to reach of the bottom.

Explanation

To solve the problem of a solid cylinder rolling down an inclined plane using the energy method, we will follow these steps:

### Step 1: Understand the Energy Conservation Principle
The potential energy lost by the cylinder as it rolls down the incline will be converted into kinetic energy (both translational and rotational).

### Step 2: Write the Expression for Potential Energy
The potential energy (PE) at the top of the incline is given by:
\[
...