Find Out How High Bungee Jumper Rebound After First Jump

  • Context: High School 
  • Thread starter Thread starter gelf
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    Bungee Jump Rebound
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Discussion Overview

The discussion revolves around determining the height to which a bungee jumper rebounds after their first jump. It includes theoretical considerations, energy transformations, and the effects of various forces involved in the jump.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant seeks a formula or explanation for calculating the rebound height of a bungee jumper.
  • Another participant mentions that the potential energy (PE) of the jumper converts to kinetic energy (KE) during the fall, which then becomes potential energy in the bungee cord.
  • It is proposed that if drag is ignored, the jumper would reach the same height from which they jumped, based on the conservation of energy principle.
  • A later reply questions whether internal heat generated from the stretching of the rubber cord would reduce the energy available for rebound.

Areas of Agreement / Disagreement

Participants express differing views on the factors affecting rebound height, particularly regarding the role of energy conservation and the impact of heat loss in the bungee cord. No consensus is reached on the exact rebound height or the significance of these factors.

Contextual Notes

Assumptions about ignoring drag and the effects of heat loss are not universally accepted, and the discussion lacks a definitive formula or resolution regarding the calculations involved.

gelf
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i was wondering how you find out how high a bungee jumper will rebound back up after his first jump
 
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That didn't really help i needed for a formula or an explanation
 
gelf said:
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".
 
Last edited by a moderator:
PE of the jumper becomes KE during the fall, which in turn becomes PE in the cord.
 
If we are ignoring drag, then he will reach the same height he jumped from. (Conservation of energy)
 
Wouldn't internal heat from the rubber stretching rob some of the energy from that?
 

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