Write an expression for kinetic energy of rolling body.

Explanation

To derive the expression for the kinetic energy of a rolling body, we need to consider both its translational and rotational kinetic energy components.

### Step-by-Step Solution:

1. **Identify the Components of Kinetic Energy**:
A rolling body has two types of kinetic energy:
- **Translational Kinetic Energy (TKE)**: This is due to the motion of the center of mass of the body.
- **Rotational Kinetic Energy (RKE)**: This is due to the rotation of the body about its center of mass.
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