In 1 -4, the given differential equation is a model of an undamped spring/mass system in
Chapter 3, Problem 3(choose chapter or problem)
In 1 -4, the given differential equation is a model of an undamped spring/mass system in which the restoring force F(x) in (1) is nonlinear. For each equation use a numerical solver to plot the solution curves satisfying the given initial conditions. If the solutions appear to be periodic, use the solution curve to estimate the period T of oscillations.d2x 3. -+2x- x2=0 dt2 ' x(O) = l, x'(O) = 1; x(O) = t x'(O) = -1
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