Q7.2 There is a spring that has a constant of 72 N/m. When a mass comes of 2kg is attached to it, the spring equilibrium position.. to a rest in the force equal to Starting a t=0_₂₂² applied to f(t) = 6e cos 4t is absence of damping, the system. In the a) figure out the position of answer to 4 decimal the mass when t= π• Round your ● places. b) find out what is the amplitude of vibrations very long time? Round your answer to 4 decimal after a places.

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