Question : The SI unit of speed is ______.
Option 1: m/s
Option 2: km/s
Option 3: km/h
Option 4: m/h
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Correct Answer: m/s
Solution : The correct answer is m/s .
The basic unit, or S.I. unit, of speed is m/s, or metres per second. This means that to cover a distance of 1 metre, the time required is 1 second. The SI unit of distance is the metre, and the SI unit of time is the second. Speed is measured as distance divided by time. Speed is a scalar quantity with only one direction and no magnitude.
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