A 60 kg woman stands at the rim of a horizontal turntable with a moment of

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inertia of 520 kg·m2 and a radius o A 60 kg woman stands at the rim of a horizontal turntable with a moment of inertia of 520 kg·m2 and a radius of 1.5 m. The system is initially at rest, and the turntable is free to rotate about a frictionless vertical axle through its center. The woman then starts walking clockwise (when viewed from above) around the rim at a constant speed of 1.5 m/s relative to the Earth.
(a) In what direction and with what angular speed does the turntable rotate?
_____Rad/s
clockwise or counterclockwise?

(b) How much work does the woman do to set the system in motion?
_______
 
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