What do you mean by average speed? State the S.I. unit of speed. [2 MARKS]

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Solution

Definition: 1 Mark
Unit: 1 Mark

The average speed of a moving object is defined as the total distance covered by it divided by the total time taken.

$A v e r a g e s p e e d = \frac{T o t a l d i s t a n c e c o v e r e d}{T o t a l T i m e}$

The S.I unit of speed is meter per second. Speed is also measured in kilometre per hour.

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