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Answer to Question #56960 in Mechanics | Relativity for Zineb

Question #56960
A turntable with a moment of inertia of 0.011 kg∗m2 rotates freely at 3.1 rad/s. A circular disk of mass 400 g and diameter 22 cm, and initially not rotating, slips down a spindle and lands on the turntable.

a) Find the new angular speed (rad/s)

b) what is the change in kinetic energy?
1
Expert's answer
2015-12-14T17:38:03-0500
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