# mass–energy equivalence

> physical law relating mass to energy

**Wikidata**: [Q35875](https://www.wikidata.org/wiki/Q35875)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mass–energy_equivalence)  
**Source**: https://4ort.xyz/entity/mass-energy-equivalence


## References

1. Freebase Data Dumps. 2013
2. [Source](https://www.britannica.com/science/E-mc2-equation)