why do we need to calculate average speed of moving body
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Explanation:
Average speed is found by first finding the total distance covered by the object and dividing it by the total time taken in travelling the distance.
Example:
A boy covers a circle of radius 100 m in 100 s.
The total distance covered by him will be d=2πr=200π m
Average speed will be v=td=100200π=2π m/s
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