if a car was driven at 60kmh-1 continually for 2hrs yet the average velocity for the journey was 0 , explain how could this be so
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Answer: VERY CONCEPTUAL QUESTION
It is possible .... because average velocity is calculated by [change in displacement/change in time]
Explanation:
If change in displacement is zero the average velocity will be zero.
Change in displacement can be zero only when the body ends its journey at that point from where it started. i.e in circle or any closed path.
So in this case the average velocity could be zero.......
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