Recent content by kcolman

Okay, I think I figured it out. I realized that the energy from the spring is equal to the total original gravitational energy, and set that equal to the work done by gravity with the weight cut in half. So my work looks like: (1/2)kΔs = (W1+W2)y1 (1/2)kΔs = W1*y2 y2 = ((W1+W2)y1)/W1 y2 = (300...

Homework Statement Exercise 1. Two bungee jumpers jump from a bridge. Jumper A is fastened to a bungee cord and holding on to jumper B. The cord has a stiffness k = 80 lb/ft. Find the unstretched length of the cord if the two students just reach the surface of the water at the maximum...