tutorial6_sp10

tutorial6_sp10 - Physics 2010 Spring 2010 Recitation...

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Physics 2010 – Spring 2010 Recitation Assignment 6 NAME ________________________ Section Day (circle): M Tu W Th F Time: 8a 10a 12p 2p 4p TA Name:____________________ Instructions : Work in groups of 3 to 4 . Use the space provided for your answers. All plots should have axes drawn neatly with a straight edge, with scales and units clearly labeled. This week's assignment will have a little rotational motion, rigid body motion, and harmonic motion. 1. Consider a uniform disk of radius R = 0.1 m that is mounted on a rod at the middle and is free to rotate. a. At first, the disk is not rotating. Then a constant torque is applied over 5 seconds. At the end of this time, the disk is rotating with angular speed ( π /2) rad/sec. What is the magnitude of angular acceleration, α ? b. Let the mass of the disk be 20 g. What is its moment of inertia I? c. What is the magnitude of the torque that was exerted in part a? d.
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tutorial6_sp10 - Physics 2010 Spring 2010 Recitation...

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