| Speed/Velocity | |
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Speed is a scalar quantity that is defined as the change in position of
an object with respect to time. It is the magnitude of a velocity
vector. Mathematically, it is described by the following equation:
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| He's going the distance...he's going for speed | |
| where the variable d represents distance and the variable t represents time. Although speed and velocity are the same numerically (i.e. in magnitude), the equation is often seen with either the variable s (speed) or v (velocity). |
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| Last update: Wednesday, March 02, 2011 |