what is speed motion its unit?
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Speed is defined as the total distance travelled by an object per unit time. The SI unit of speed is metre per second, represented as m/s. Other units include centimeter per second(cm/s) and kilometer per hour (km/hr). Speed is a scalar quantity and is represented only in terms of its magnitude
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speed of a body is distance travelled by 8it per unit time. its unit is metre per second.
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