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A flat uniform circular disk (radius = 5.00 m, mass = 390 kg) isinitially stationary. The disk is free to rotate in the horizontalplane about a frictionless axis perpendicular to the center of thedisk. A 69.0-kg person, standing 1.91 m from the axis, begins torun on the disk in a circular path and has a tangential speed of3.50 m/s relative to the ground. Find the resulting angular speed(in rad/s) of the disk.

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