Calculate the mass of the second disk

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Reference no: EM13336737

A solid disk of radius R, mass 2.39 kg is spinning at angular velocity 60.6 rpm about a vertical axis. A solid disk of radius 2R drops concentrically on the first, eventually the two cease to slip relative to each other and end up spinning at 19.2 rpm. What is the mass of the second disk?

Reference no: EM13336737

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