791_Dynamics 11ed Manual

791_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 22 v 20 ft s = d 2in = g 32.2 ft s 2 = Solution: ω n kg W = n 13.90 rad s = yA cos n t () B sin n t + = Ad = B v n = cos n t B sin n t + = A 0.17 ft = B 1.44 ft = n 13.90 rad s = CA 2 B 2 + = C 1.45 ft = Problem 22-7 A spring is stretched a distance d by a block of mass M . If the block is displaced a distance b downward from its equilibrium position and given a downward velocity v , determine the differential equation which describes the motion. Assume that positive displacement is
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