๐Ÿงฒap physics 2 review

Mass-Energy Equivalence

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

Mass-energy equivalence is the concept that mass and energy are interchangeable, as described by Einstein's famous equation E=mcยฒ. It states that a small amount of mass can be converted into a large amount of energy, and vice versa.