Question

define speed and write its unit define speed​

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.

Explanation:

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Answer 2

Explanation:

speed is defined as the rate of change of distance with time it has the dimension of distance by time.thus SI unit of speed is given as the combination of basic unit of distance and the basic unit of time.thus the SI unit of speed is metre per second