A 69.5 kg bungee jumper is standing on a tall platform (h0 = 53 m), as seen in the photo. The bungee cord has an untrained length of L0 = 10 m, and when stretched, behaves like an ideal spring with a spring constant of k = 64.0 N/m. The jumper falls from rest, and the only forces acting on him are his weight and, for the latter part of the descent, the elastic force of the bungee cord (Assume the cord is attached at the center of mass and the center of mass drops from rest from the height of the platform.)
What is his maximum speed during the fall?
_______ m/s
How high above the water is he when he reaches this speed?
_______ m
How high above the water is he when he reaches the lowest point in the fall?
_______ m
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