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127_Dynamics 11ed Manual

127_Dynamics 11ed Manual - Engineering Mechanics Dynamics...

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Engineering Mechanics - Dynamics Chapter 12 Solution: Ls B s A + 2 s D + = 0 v B v A + 2 v D + = Positive means down, Negative means up v D v B v A 2 = v D 1.5 ft s = * Problem 12-180 The pulley arrangement shown is designed for hoisting materials. If BC remains fixed while the plunger P is pushed downward with speed v , determine the speed of the load at
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