Following is a list of the frequently occurring equations in the theory of special relativity. To derive the equations of special relativity, one must start with two other. The laws of physics are invariant under …

Nov 23, 2025 · E = mc2, equation in German-born physicist Albert Einstein ’s theory of special relativity that expresses the fact that mass and energy are the same physical entity and can be changed into …

Aug 21, 2025 · Here, we will break down Einstein's theory of relativity with simple explanations, formulas, and examples. Let’s explore it! Einstein's Theory of Relativity In 1905, Einstein proposed …

For reference, this page collects all of the formulas mentioned elsewhere on this site. It's worth noting that β, γ, and D are all dimensionless quantitities: they are pure numbers, with no units attached to …

Jul 16, 2024 · Special relativity’s most famous formula, 𝐸=𝑚𝑐². states that energy (E) equals mass (m) multiplied by the speed of light squared (c ²), illustrating the interchangeability of mass and energy. …

Physics formulas with explanations - Relativity theory: the relativistic law for velocity addition, length (Lorentz) contraction, time dilation due to relative velocity, relativistic mass, relativistic momentum, …

Mar 26, 2025 · Modern relativity is divided into two parts. Special relativity deals with observers in uniform (unaccelerated) motion, whereas general relativity includes accelerated relative motion and …

In the general theory of relativity, the Einstein field equations (EFE; also known as Einstein's equations) relate the geometry of spacetime to the distribution of matter within it.

Oct 24, 2025 · Special relativity revealed that the speed of light is a limit that can be approached but not reached by any material object; it is the origin of the most famous equation in science, E = mc2; and …

General Relativity is introduced in the third year module " PX389 Cosmology " and is covered extensively in the fourth year module " PX436 General Relativity ".