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A 61 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 11m , and falls a total of 32 m.
A) Calculate the spring stiffness constant k of the bungee cord, assuming Hooke's law applies.
B) Calculate the maximum acceleration she experiences.
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A person walks first at a constant speed of 4.80 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 3.30 m/s. What is her average speed over the entire trip?
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