What is speed?

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Dr. Basant Ramawat

Cosmetic Dental Surgeon & Medical Tutor

In kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity. The average speed of an object in an interval of time is the distance travelled by the object divided by the duration of the interval, the instantaneous speed is...
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In kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity. The average speed of an object in an interval of time is the distance travelled by the object divided by the duration of the interval, the instantaneous speed is the limit of the average speed as the duration of the time interval approaches zero. Speed has the dimensions of a length divided by a time; the SI unit of speed is the metre per second, but the most common unit of speed in everyday usage is the kilometre per hour or, in the US and the UK, miles per hour. For air and marine travel the knot is commonly used. read less
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Play with Math and Science

Speed is the rate of change of position.
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Tutor

Speed is the rate of change of distance. i.e. speed=(distance\time) the SI unit of speed is ms-1(m\sec) .
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Engineering College Professor

Distance travelled per unit time,obtained by dividing total distance travelled by total time taken.
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speed = distance/time , the formula is self explanatory which means the rate of change of distance per unit time
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It is the rate of change of position
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Aspiring Mathematician

Speed is defined as the rate of change of distance with respect to time. And is generally measured in m/s.
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BI trainer with 10 Years of experience

It is the rate of change of distance traveled by a body wrt time,it is a scalar quantity as distance is scalar quantity
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