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Question: please i need to solve the question step by step...

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Question 4: A mass m = 20.0 kg is isolated by a spring-damper system as shown in Figure Q4. The individual stiffness of the spring k 1500 N/m, and individual damping constant c 50.0 Ns/m. A driving force F(t) measured in N, acts on the unit with amplitude Fo 100 N, driving frequency 50.0 rad/s. Use 3 significant figures. (a) Determine the effective stiffness, damping constant, natural frequency, and damping ratio of the system 113 marks] (b) Determine the steady-state displacement response x(t). [12 marks] F (t) Fo cos(ot) x (t) Figure Q4

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