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Unformatted text preview: VECTOR Speed is the magnitude of the velocity vector. Speed is just a number with units SCALAR Displacement = distance from origin Displacement Average Velocity = -----------------------Elapsed Time x 2-x 1 D x v = ------- = -------t 2-t 1 D t Instantaneous velocity = velocity at a given moment in time v = D x/ D t (for very small D t) Note: v could be zero even is the average speed is not Note: velocity = change in position over change in time...
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- Spring '11