Changes

:<math>\gamma = \frac{1}{\sqrt{1-\frac{u^2}{c^2}}}</math>, where:

:<math>\gamma = \frac{1}{\sqrt{1-\frac{u^2}{c^2}}}</math>, where:

* <math>u</math> is the difference in speed between the [[Inertial frames of reference|frames of reference]]

* <math>u</math> is the difference in speed between the [[Inertial frame of reference|frames of reference]]

* <math>c</math> is the [[speed of light]]

* <math>c</math> is the [[speed of light]]