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- Velocity is defined as the rate of change of position:
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- The vectors of velocity and
- displacement must point in the same
- direction. Note that this quantity is an
- average velocity (denoted
- by v), for position and time are being
- considered over an interval and not at a
- specific point in time. Instantaneous
- velocity is the velocity at a single
- point in time and can be viewed as the
- result of the change in time becoming
- very small. Mathematically
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