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A 3-kg mass is attached to a spring hanging from the ceiling, thereby causing the spring to stretch 0.84 m upon coming to rest at equilibrium. At time t = 0, an external force of F(t) = 3 cos 3t N is applied to the
system. The damping constant for the system is 2 N-sec/m. Determine the steady-state solution for the system.
The steady-state solution is y(t) =

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