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You decide to take the plunge and go bungee jumping. Being a college student, you do this on the cheap, and buy a bungee cord with a spring constant of k = 500 N/m and a length of L = 8.0 m. You choose a bridge where you tie the end of the cord so you can jump off. Assume that you step off the bridge with zero speed. How high must the bridge be so that you can do this fun jump more than once? (Being nervous, you want to be extra safe. What should you assume for air resistance?)

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