Equations
Mass-energy equivalence
Modern physics · id mass_energy
E = m c^2
| Symbol | Quantity | Unit | Meaning | Usual range |
|---|---|---|---|---|
E | rest energy | J | Energy equivalent of the mass | 0 to 1e+50 |
m | mass | kg | Rest mass | 1e-31 to 1e+30 |
c | speed of light constant | m/s | Speed of light in vacuum |
Assumptions
- Rest energy (object at rest)
Valid when
- No extra conditions.
Found by
Questions with these words retrieve this equation: mass-energy, einstein, e=mc2, rest energy, nuclear, annihilation.
Source
OpenStax University Physics Volume 3, Chapter 5 (reference; entry written by the project). License: MIT. Entry confidence: 0.99.