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Note that speed is a [[scalar]], therefore it has no direction, and because it is a measure of magnitude, it is never negative.
Note that speed is a [[scalar]], therefore it has no direction, and because it is a measure of magnitude, it is never negative.
Like velocity, units for its measurement are [[meter]]/[[second]] and more commonly in informal circumstances [[kilometer]]/[[hour]] and [[mile]]/[[hour]].
Like velocity, units for its measurement are [[meter]]s/[[second]] (m/s), and more commonly in informal circumstances [[kilometer]]s/[[hour]] (kph) and [[mile]]s/[[hour]] (mph).
==References==
==References==