Question

define speed. state it's SI unit

Answer 1

hey mate here is your answer. ........ distance covered per unit time is speed it's SI unit is m/s

Answer 2

Hey !

Here is your answer !

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Speed is the distance travelled in per unit of time .

OR Speed actually means how fast an object is moving !
Speed is a scaler quantity .
SI unit of SPEED =

As we know Speed = Distance / Time
And SI unit of distance is metre and SI unit of time is second

So SI unit of Speed is metre per second or m/s✔
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Hope it helps you ☺