Astudent sits at rest on a piano stool that can rotate without friction. the moment of inertia of the student-stool system is 4.4 kgâ‹…m2 . a second student tosses a 2.0 kg mass with a speed of 3.0 m/s to the student on the stool, who catches it at a distance of 0.45 m from the axis of rotation.
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