A juggler holds a very long barbell with masses, positions, and angle as shown. She supports it
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A juggler holds a very long barbell with masses, positions, and angle as shown. She supports it at the pivot point (which is not the center of mass). Gravity acts on each ball downwards. Her assistants hold the masses until she tells them to let go, but she still holds the rod up at the pivot, without exerting any torque with her hand. At the moment after they let go, what is the angular acceleration of the barbell?
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