Question

define speed. what is it's unit? ​

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.

SI unit: m/s, m s−1

Dimension: L T−1

Common symbols: v

Answer 2

Answer:

• Speed is a scalar quantity that refers to "how fast an object is moving." Speed can be thought of as the rate at which an object covers distance. A fast-moving object has a high speed and covers a relatively large distance in a short amount of time.    

• The most common units of speed are metres per second (m/s), kilometres per hour (km/h) and miles per hour (mph),

Explanation:

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