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A bungee cord stretches 2-4 times their unstretched length, and a jumper feels no more than 2.5-3.5g of acceleration. 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
x 3000 a100 m 75 c kgcd 0.5 skydiver area 0.4m2cd 1.2 parachute area 40m2a sky diver weighing m kg jumps from a
Calculate the force on a wall subjected to a two-phase jet that has the following parameters:
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