## Question

###### An 4-kg mass is attached to a spring hanging from the ceilingand allowed to come to rest. Assume that the spring constant is 10N/m and the damping constant is 5 N-sec/m. At time t=0, an externalforce of 4sin2tcos2t is applied to the system. Determine theamplitude and frequency of the steady-state solution.

An 4-kg mass is attached to a spring hanging from the ceiling and allowed to come to rest. Assume that the spring constant is 10 N/m and the damping constant is 5 N-sec/m. At time t=0, an external force of 4sin2tcos2t is applied to the system. Determine the amplitude and frequency of the steady-state solution.

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