February 25, 2017

Homework Help: Physics

Posted by Alex on Tuesday, June 5, 2012 at 12:21am.

A CD (radius 6.0 cm) is spinning freely with an angular velocity of 450 rpm when a bug drops onto the CD a distance 4.6 cm from the center. If the CD slows to 260 rpm, what is the ratio of the bug's mass to the mass of the CD? (Ignore the effect of the hole in the center of the CD.)

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