Question

Please help me code in MATLAB Consider a car of mass M that varies according to y, D sin (ot). The car is equipped with springs and shock absorbers and the vertical motion of the car is described by the following equation: d2y y(0)0 where M is the mass of the car (3000 lbm), y is the vertical displacement of the car in inches, t is the time in seconds, k is the spring constant (700 lbf/in), D is the amplitude for the variation in the contour of the road (2 in), ω is the frequency of the variations of the road contour seen be the car (6 rad/sec) and s is the damping constant for the shock absorbers (160 lbf-s/in). Note that the speed of the car and the contour of the road determine o in this case and that the second term in the equation represents the effect of the springs and the third term represents the effect of the shock absorbers. To ensure that you are properly using the intrinsic function ode45, numerically integrate the following IVP over a suitable time span and compare the result to the exact solution. dy/dt:-y y(0)-10 Plot the numerical and exact solutions on the same figure and label the curves in a legend.

Answer 1

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