Rotational kinetic energy (K_rot = ½Iω²)
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K_rot = ½Iω²
What each symbol means
| Symbol | What it stands for |
|---|---|
| I | Moment of inertia about the axis of rotation (kg·m²) |
| K_rot | Rotational kinetic energy (J) |
| \omega | Angular speed (rad/s) |
When to use this
Rigid body rotating about fixed axis; ω in rad/s.