A bungee jumper jumps from a hot air balloon with an elasticcord attached to his

Question

A bungee jumper jumps from a hot air balloon with an elasticcord attached to his ankles. The unstretched length of the cord is25m, the student weighs 700N, and the balloon is 36m above thesurface of a river below. Assuming that Hooke's Law describes thecord, calculate the required force constant if the student is tostop safely 4m above the river. Please show all steps for full points. A bungee jumper jumps from a hot air balloon with an elasticcord attached to his ankles. The unstretched length of the cord is25m, the student weighs 700N, and the balloon is 36m above thesurface of a river below. Assuming that Hooke's Law describes thecord, calculate the required force constant if the student is tostop safely 4m above the river. Please show all steps for full points.

Explanation / Answer

Ok, so F = kx where F is the Force (700N), k is spring constant,and x is the spring displacement Unstretched the cord is 25m and you want to stop 4m from theground. This means the cord will stretch to 32m (36m-4m) So x is 32m-25m = 7m F=kx yields k=F/x Just plug in the values

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