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Lorentz factor

Modern physics · id lorentz_factor

\gamma = \frac{1}{\sqrt{1 - v^2/c^2}}
SymbolQuantityUnitMeaningUsual range
gammaLorentz factordimensionlessRelativistic factor for time dilation and length contraction1 to 10000
vrelative speedm/sSpeed of the moving object0 to 2.99792e+08
cspeed of light constantm/sSpeed of light in vacuum

Assumptions

Valid when

Found by

Questions with these words retrieve this equation: lorentz factor, gamma, relativity, special relativity, fast, near light speed.

Source

OpenStax University Physics Volume 3, Chapter 5 (reference; entry written by the project). License: MIT. Entry confidence: 0.99.

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