Four-velocity

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

In physics, in particular in special relativity and general relativity, a four-velocity is a four-vector in four-dimensional spacetime that represents the relativistic counterpart of velocity, which is a three-dimensional vector in space.

Excerpt from the Wikipedia article “Four-velocity”, under the CC BY-SA 4.0 license. Read the article on Wikipedia