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A bridge over a valley is 300m above the bottom of the valley. A bungee jumper plans to leap from the bridge and barely touch the bottom of the valley. If the body mass of the jumper is 160lb, the spring constant of the bungee cord is k=50N/m,
a) How long of a bungee cord does the jumper need?
b) What is the highest speed of the jumper?
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