A 100 g mass is undergoing simple harmonic motion along the x-axis on an ideal spring with k=150 N/m. At t=0, the mass is at x=-10cmand is moving with velocity v=15m/sec. a)What is the total energy of the system? b)What is the position of the mass as a function of time, x(t)? c)What is the acceleration of the mass at t=2.5sec?
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