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An intrepid physics student decides to try bungee jumping. She obtains a cord that is h 12m long and has a spring constant of K -300 N/m. When fully suited, she has a mass of m 69 kg. She looks for a bridge to which she can tie the cord and step off. Determine the minimum height of the bridge L, that will allow her to stay dry (that is, so that she stops just before hitting the water below). Assume air resistance that is negligible. (8 marks)

with detailed steps please. thank you!

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