Rotational Kinetic Energy Calculator
Free calculate energy of rotating objects. determine e_rot = (1/2)iω² where i is moment of inertia and ω is angular velocity.
Input Parameters
Results
Enter parameters to calculate rotational energy
Rotational Kinetic Energy Formula
Formula
E_rot = (1/2) × I × ω²
Where:
- • E_rot = rotational kinetic energy (J)
- • I = moment of inertia (kg·m²)
- • ω = angular velocity (rad/s)
Moment of Inertia
- • Solid sphere: I = (2/5)mr²
- • Solid cylinder: I = (1/2)mr²
- • Thin rod: I = (1/12)mL²