The crash sled system car weighs 5.50 lbs. The pulley system uses a weight of 1.25 lbs, starts from rest and falls 31 inches. It hits the ground just before

the car touches the barrier. Model the barrier as a spring with stiffness 3000 lb/ft. Although a real bumper will not behave like a linear elastic spring, it is a simple model that allows for simple calculations. The mass moment of inertia of the car about the CM is3.12 Ib ft?. a - CG elevation from ground = 2.25 in b- front wheel to CG = 3.25 in c- rear wheel to CG = 6.25 in h- elevation of spring from ground 2.15 in - Find the maximum velocity of the car. Find the maximum crush of the bumper (deformation of the spring) Find the acceleration of the car CG. Find the force of the ground on the front and rear wheel at the instant of maximum crush. Do either of the wheels come off the ground during the impact? How can you tell? If you answer were the opposite, then how would that change the method? You don't need to complete the calculations, but set it up and explain what you would do.