Flying Circus of Physics A ballerina begins a tour )ete (Figure (d)) with angula

Question

Flying Circus of Physics A ballerina begins a tour )ete (Figure (d)) with angular speed omega and a rotational inertia consisting of two parts: Ileg = 1.78 kg . m2 for her leg extended outward at angle theta = 90.0 degree to her body and Itrunk = 0.767 kg - m2 for the rest of her body (primarily her trunk). Near her maximum height she holds both legs at angle d = 30.9 degree to her body and has angular speed omega (Figure (&)). Assuming that /Irunk has not changed/ wtiat is the ratio omega /omega ? the tolerance is + /-2% Click If you would like to Show Work for this question: Open Show Work

Explanation / Answer

let's call Ja the moment of inertia of legs
a) with a leg at 90

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