bungee jumping

[gelf]

i was wondering how you find out how high a bungee jumper will rebound back up after his first jump

[FrogPad]

http://www.bungee.com/bzapp/press/pt.html

[gelf]

That didn't really help i needed for a formula or an explanation

[radou]

i was wondering how you find out how high a bungee jumper will rebound back up after his first jump

Hm, I hope this helps: http://www.pa.uky.edu/~moshe/phy231/lecture_notes/bungee_forces.html.

[jasc15]

PE of the jumper becomes KE during the fall, which in turn becomes PE in the cord.

[Hootenanny]

If we are ignoring drag, then he will reach the same height he jumped from. (Conservation of energy)

[Danger]

Wouldn't internal heat from the rubber stretching rob some of the energy from that?