Solved: A 32-lb weight is attached to a vertical spring,
Chapter 4, Problem 39RP(choose chapter or problem)
PROBLEM 39RP
A 32-lb weight is attached to a vertical spring, causing it to stretch 6 in. upon coming to rest at equilibrium. The damping constant for the system is 2 lbsec/ ft. An external force F(t) = 4 cos 8t lb is applied to the weight. Find the steady-state solution for the system. What is its resonant frequency?
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