Physics

A car is traveling a road that makes quarter of a circle with a constant speed. What is the magnitude of the average velocity of the car?

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  1. Average velocity = (Displacement)/Time

    Let R = radius and v = speed.

    Displacement = sqrt2*R, in a direction from the first point to the last.

    Time = (pi/2)*R/v

    Vav = 2 v sqrt2/pi = 0.900 v
    with the direction described above

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