Assume the force in the cord has the math form ks-betas^3, where k and beta are constants and s is the amount of stretch in the cord past the unstretched length. Design a cord (design the constants k and beta ) so the cord stretches 2.5 times the unstretched length, and the acceleration of the jumper doesn’t exceed 3g, and the cord has zero stiffness at the bottom of a 400ft drop.s=elongationk=spring constant
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