All public logs

Combined display of all available logs of Spacetime Geometric Algebra. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 01:24, 20 November 2024 Eric Lengyel talk contribs created page Velocity (Created page with "The velocity $$\mathbf u$$ of a body in spacetime is given by :$$\mathbf u = \dfrac{d\mathbf r}{d\tau} = \gamma c\,\mathbf e_0 + \gamma \dot x\,\mathbf e_1 + \gamma \dot y\,\mathbf e_2 + \gamma \dot z\,\mathbf e_3$$ , where $$\mathbf r$$ is the body's position and $$\tau$$ is proper time. == See Also == * Position * Momentum")