February 28, 2017

Homework Help: physics

Posted by nikki on Friday, March 18, 2011 at 10:04am.

A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 4.2 . A second student tosses a 1.1 mass with a speed of 3.0 to the student on the stool, who catches it at a distance of 0.45 from the axis of rotation. What is the final rotational speed of the stool, student and mass?

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