# Test5Review - Physics 1 East Los Angeles College TEST#5 Review Sheet(Ch 10:9 12 Mr V Kiledjian 1 A solid sphere of radius = 10 cm and mass = 2 kg

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Physics 1, East Los Angeles College TEST #5 Review Sheet (Ch 10:9 – 12) Mr. V. Kiledjian 1) A solid sphere of radius = 10 cm and mass = 2 kg is going down an inclined plane of height = 5 m. The angle of the inclined plane = 35 degrees. a) What is the final Total kinetic energy of the sphere? b) Calculate the final V cm and ω of the sphere and the Total velocity at the top point. c) What are the final Linear (translational) and Rotational kinetic energies of the sphere? d) Calculate the acceleration of the center of mass of the sphere, a cm and the Total acceleration at the top point and the radial acceleration, α, of the sphere. e) How many seconds will it take the sphere to reach the bottom? f) What is the magnitude of f s . What is the minimum μ s required for pure rolling motion? 2) A solid sphere of radius = 8 cm and mass = 5 kg is sitting on a level table and is attached with a string over a pulley (radius = 2 cm and mass = .8 kg) to a hanging mass (m = 3 kg) which is 4 meters above the ground. a)

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## This note was uploaded on 06/27/2008 for the course PHYSICS 001 taught by Professor Kiledjian during the Spring '08 term at East Los Angeles College.

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Test5Review - Physics 1 East Los Angeles College TEST#5 Review Sheet(Ch 10:9 12 Mr V Kiledjian 1 A solid sphere of radius = 10 cm and mass = 2 kg

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