Define speed. Define average speed.
(N/A) Speed: The distance covered by an object in unit time is called speed. It is defined as the rate of change of distance.
Average speed: The ratio of the total distance covered during a journey to the total time taken is called average speed.
Mathematically,$\text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}}$.
The $SI$ unit of speed is $m/s$ $(ms^{-1})$,and it is a scalar quantity. Therefore,its value is always positive.
Average speed: The ratio of the total distance covered during a journey to the total time taken is called average speed.
Mathematically,$\text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}}$.
The $SI$ unit of speed is $m/s$ $(ms^{-1})$,and it is a scalar quantity. Therefore,its value is always positive.
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