Velocity -- from Eric Weisstein's World of Physics

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Velocity

Velocity is defined as the derivative Eric Weisstein's World of Math of position with respect to time,

For one-dimensional motion,

Conversions between common units of velocity include 1 mi h^-1 = 0.447 m s^-1and 1 km h^-1 = 0.278 m s^-1.

In terms of the angular velocity ,

In magnitude,

These equations hold only for , where c is the speed of light. For relativistic motion,

Now use
so

Admiralty Knot, Group Velocity, Knot, Maxwell Distribution, Sound, Velocity Four-Vector, Wave Velocity