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EF Lecture Notes

# EF Lecture Notes - EF 152 Physics for Engineers II Given A...

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EF 152 Fall, 2008 Lecture 7-1 1 EF 152: Physics for Engineers II Rigid Body Motion Angular Motion Torque Forces Statics Gravitation More on Motion Harmonic Motion Waves Sound and Fluids Sound Fluids Temperature and Heat Ideal Gases First Law of Thermo Second Law of Thermo Carnot Cycle Entropy EF 152 Fall, 2008 Lecture 7-1 2 Given: A 210 g, 22-cm-diameter solid plastic disk is spun on a horizontal axle through its center by an electric motor. Required: Torque motor must supply to take the disk from 0 to 1800 rpm in 4.0 s? EF 152 Fall, 2008 Lecture 7-1 3 Given: Just after leaving the platform, the diver's fully-extended 80-kg body has a rotational speed of 0.3 rev/s about an axis normal to the plane of the trajectory. Required: Determine the angular velocity later in the dive when the diver has assumed the tuck position. Approximate the man as a solid rod in the fully extended position and a solid sphere in the tuck position. 0.7 m EF 152 Fall, 2008 Lecture 7-1 4 Given: The sign's weight W s = 32 lb acts at the point shown. The 12-lb weight of bar

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EF Lecture Notes - EF 152 Physics for Engineers II Given A...

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