Posted by **Gerrard** on Monday, November 26, 2012 at 8:23pm.

You are holding the axle of a bicycle wheel with radius 30 cm and mass 1.07 kg. You get the wheel spinning at a rate of 79 rpm and then stop it by pressing the tire against the pavement. You notice that it takes 1.11 s for the wheel to come to a complete stop. What is the angular acceleration of the wheel?

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