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A flat uniform circular disk (radius = 2.90 m, mass = 1.00 ✕ 102 kg) is...

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Physics

A flat uniform circular disk (radius = 2.90 m, mass = 1.00 ✕102 kg) is initially stationary. The disk is free torotate in the horizontal plane about a frictionless axisperpendicular to the center of the disk. A 40.0 kg person, standing1.75 m from the axis, begins to run on the disk in a circular pathand has a tangential speed of 2.80 m/s relative to theground.

Find the resulting angular speed of the disk (in rad/s)
rad/s

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