hw12.pdf

# hw12.pdf - Prof Jeong CE 29800 Basic Mechanics II(Dynamics...

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Prof. Jeong CE 29800 Basic Mechanics II (Dynamics) Spring 2018 Homework Set 12 Due: Mon. 2/12/2018 Problem 12.1 A package is projected up a 15° incline from A to C where it stops and slides down the incline back to A . Knowing that the coefficient of kinetic friction between the package and the incline is 0.12, determine ( a ) the initial velocity of the package, ( b ) the velocity of the package as it returns to its original position. Problem 12.2 The system shown is at rest when a constant 150-N force is applied to collar B . Neglect friction. ( a ) If the force acts through the entire motion, determine the speed of collar B as it strikes the support at
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• Spring '08
• GarettJeong
• Force, 15°, Prof. Jeong, 25-lb, 130 lb

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