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5) (20 pts) A mass of 0.4 kg is attached to a horizontal spring with 0.2 N/m elastic coefficient. You notice that the amplitude decrease

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5) (20 pts) A mass of 0.4 kg is attached to a horizontal spring with 0.2 N/m elastic coefficient. You notice that the amplitude decrease by 2 % during each complete oscillation. a) What is the frequency of the motion? b) Write an equation for the position of the mass if at t = 0 the mass is released from rest when the spring is compressed 10 cm from its equilibrium condition. c) What will the oscillation amplitude be after 25 full oscillations? d) What is the initial energy in the system? What will the total energy be after 25 full oscillations

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