Physics Practice Problems Springs & Elastic Potential Energy Practice Problems Solution: A bungee cord is 30.0 m long and, when stretched a...

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Solution: A bungee cord is 30.0 m long and, when stretched a distance exttip{x}{x}, it exerts a restoring force of magnitude exttip{kx}{kx}. Your father-in-law (mass 96.0 kg ) stands on a platform 45.0 m above the ground, and one end of the cord is tied securely to his ankle and the other end to the platform. You have promised him that when he steps off the platform he will fall a maximum distance of only 41.0 m before the cord stops him. You had several bungee cords to select from, and you tested them by stretching them out, tying one end to a tree, and pulling on the other end with a force of 410 N .When you do this, what distance will the bungee cord that you should select have stretched?

Problem

A bungee cord is 30.0 m long and, when stretched a distance , it exerts a restoring force of magnitude . Your father-in-law (mass 96.0 kg ) stands on a platform 45.0 m above the ground, and one end of the cord is tied securely to his ankle and the other end to the platform. You have promised him that when he steps off the platform he will fall a maximum distance of only 41.0 m before the cord stops him. You had several bungee cords to select from, and you tested them by stretching them out, tying one end to a tree, and pulling on the other end with a force of 410 N .

When you do this, what distance will the bungee cord that you should select have stretched?