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If an object moves in uniform circular motion in a circle of radius R = 1.0 meter, and the object takes 4.0 seconds to complete ten revolutions, calculate the magnitude of the velocity around the circle. (Note: Remember, 10 revolutions is a counting number and not a measurement.)

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  1. Today, 02:23
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    Radius = 1.0 meter

    Diameter = 2.0 meters

    Circumference = 2 π meters

    10 revolutions = 20 π meters

    Speed = (10 revs) / (4 sec)

    = (20 π meters) / (4 seconds)

    = 5 π m/s

    = 15.708 m/s (rounded)
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