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Question: A car goes straight from a point A to a point B with a velocity of 40 km/h and return back with a velocity of 60 km/h. The average velocity during the whole journey is;
1)0
2)48 km/h
3)50 km/h
4)none


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Exam Exam: Mechanics QUESTIONS





speed=distance/time
velocity=displacement/time

as here displacement is zero, user came back to starting point so the velocity will be zero

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