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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: 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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