Equations
Translational kinetic energy
Energy · id kinetic_energy
KE = \frac{1}{2} m v^2
| Symbol | Quantity | Unit | Meaning | Usual range |
|---|---|---|---|---|
KE | kinetic energy | J | Energy of motion | 0 to 1e+12 |
m | mass | kg | Mass of the body | 0.001 to 1e+07 |
v | speed | m/s | Speed of the body | 0 to 1000 |
Assumptions
- Point mass or pure translation (no rotation)
Valid when
- Speeds far below the speed of light
Found by
Questions with these words retrieve this equation: energy, kinetic energy, motion, speed, moving, joules.
Source
OpenStax University Physics Volume 1, Chapter 7 (reference; entry written by the project). License: MIT. Entry confidence: 0.99.