Answers

2015-07-15T21:17:03+05:30
No it is not possible average speed depends upon the total distance travelled by total time where as average velocity depends on total displacement by total time.if a particle starts from a point A in a circular path and after a revolution reaches the same point A then average velocity of the particle is zero but its average speed is not zero
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2015-07-15T22:41:01+05:30
Yes it is possible if speed is constant it's velocity changes empl a particle moving in a circular path
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