Question

What are the different units of measure speed?When is each unit used?
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Answer 1

Answer:

Speed has the dimensions of distance divided by 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.

Answer 2

Answer:

Since Speed (or) rate is a Scalar Quantity .

The different unit used for speed are

Displacement/Time to calculate the scale quantity speed.

If it is a vector quantity it would be velocity

To Calculate Velocity The formula is Displacement/Time

We can say Metered per hour

Or

Meters per second

Etc Etc

Hope This helps!!!!

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