Question

what is speed and it's si unit

Answer 1

Speed and velocity are both measured using the same units. The SI unit of distance and displacement is the meter. The SI unit of time is the second. The SI unit of speed and velocity is the ratio of two — the meter per second.

Answer 2

Hey buddy here's your answer ☺☺

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The distance travelled by a body per unit time is called speed.
.: Speed = Distance Travelled/Time taken

or V = s / t
where v = speed
s = distance travelled
& t = time taken

The S.I. Unit of speed is metres per second written as m/sec
It is a scalar quantity.

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