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Unformatted text preview: Patel (pnp223) – homework 24 – Turner – (92160) 1 This printout should have 10 questions. Multiplechoice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Feng and Isaac are riding on a merrygo round. Feng rides on a horse at the outer rim of the circular platform, twice as far from the center of the circular platform as Isaac, who rides on an inner horse. When the merrygoround is rotating at a constant angular speed, what is Feng’s angu lar speed? 1. half of Isaac’s 2. impossible to determine 3. twice Isaac’s 4. the same as Isaac’s 002 (part 1 of 2) 10.0 points Consider the problem of the solid sphere rolling down an incline without slipping. The incline has an angle θ , the sphere’s length up the incline is ℓ , and its height is h . At the beginning, the sphere of mass M and radius R rests on the very top of the incline. M μ ℓ θ h What is the acceleration of the center of mass? The moment of inertia of a sphere with respect to an axis through its center is 2 5 M R 2 ....
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This note was uploaded on 07/11/2009 for the course PHY 92160 taught by Professor Turner during the Spring '09 term at University of Texas.
 Spring '09
 Turner
 Physics, Work

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