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What is the SI unit of Speed?

Last Updated : 20 Mar, 2024
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SI Unit of Speed is Metre per Second (m/s or ms-1)

The SI unit of speed is metres per second abbreviated as m/s or ms-1, which is a scalar quantity that represents the rate at which an object moves.

The formula for speed is ν = d/t, where ν stands for speed, d means distance and t implies time. For example, if an object travels 1 metre in 1 second, then its speed is 1 metre per second.

Other units of speed include:

Kilometres per hour (km/h or kmph)

Miles per hour (mph or mi/hr)

Knots (nautical miles per hour, symbol kn or kt)

Note: Meter and Metre are same thing.

In everyday life, kilometres per hour or miles per hour are used as the unit of speed.

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