130_Dynamics 11ed Manual

130_Dynamics 11ed Manual - Engineering Mechanics Dynamics...

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Engineering Mechanics - Dynamics Chapter 12 Solution: S A 2 S B + 2 S C + L = v A 2 v B + 2 v C + 0 = v B 2 v C v A 2 = v B 0 m s = Problem 12–185 If the point A on the cable is moving upwards at v A , determine the speed of block B . Given: v A 14 m s = Solution: L 1 s D s A () s D s E + = 02 v D v A v E = L 2 s D s E s C s E + = 0 v D v C + 2 v E = L 3 s C s D s C + s E + = v C v D v E + = Guesses v C 1 m s = v D 1 m s = v E 1 m s = Given v D v A v E = 0 v D v C + 2 v E = v C v D v E + = v C v D v E Find
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

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