Background Physics of Bouncing a Ball

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SUMMARY

The background physics of bouncing a ball primarily involves momentum, impulse, and energy, with a critical focus on the coefficient of restitution. This dimensionless quantity quantifies the ratio of kinetic energy (KE) after a collision to that before the collision. For instance, if a ball has an initial KE of 10J upon impact and a coefficient of restitution of 0.6, it will rebound with a KE of 6J, losing 4J to heat, vibrations, and material deformation.

PREREQUISITES
  • Understanding of momentum and impulse in physics
  • Familiarity with kinetic energy concepts
  • Knowledge of the coefficient of restitution
  • Basic principles of energy dissipation during collisions
NEXT STEPS
  • Research the mathematical derivation of the coefficient of restitution
  • Explore energy conservation principles in elastic and inelastic collisions
  • Study the effects of material properties on energy dissipation during impacts
  • Investigate real-world applications of bouncing ball physics in sports and engineering
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Students of physics, sports scientists, engineers, and anyone interested in the mechanics of collisions and energy transfer in physical systems.

rachael
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What is the background physics of "bouncing a ball?
Momentum and impulse are the background physics but is there any thing else?
 
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You may also wish to consider energy.

~H
 
More specifically, with energy and collisions there is a dimensionless quantity called the coefficient of restitution. This number is a ratio of KE after the collision to that of the KE before the collision. Thus if the initial first bounce had a KE of 10J at the ground and the coefficient of restitiution was 0.6, then on the ball's way back up, it would be leaving the ground with a KE of 6J (the other 4J are dissipated mostly into heat, vibrations, and material deformation)
 

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