A 60.0-kg woman stands at the western rim of ahorizontal turntable having a moment of
Chapter 11, Problem 33(choose chapter or problem)
A 60.0-kg woman stands at the western rim of ahorizontal turntable having a moment of inertia of500 kg ? m2 and a radius of 2.00 m. The turntable isinitially at rest and is free to rotate about a frictionless,vertical axle through its center. The woman thenstarts walking around the rim clockwise (as viewedfrom above the system) at a constant speed of 1.50 m/srelative to the Earth. Consider the womanturntablesystem as motion begins. (a) Is the mechanical energyof the system constant? (b) Is the momentum of thesystem constant? (c) Is the angular momentum of thesystem constant? (d) In what direction and with whatangular speed does the turntable rotate? (e) How muchchemical energy does the womans body convert intomechanical energy of the womanturntable system asthe woman sets herself and the turntable into motion?
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