How to Calculate the Bounces of a Bouncy Ball

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SUMMARY

This discussion focuses on calculating the bounce height of a bouncy ball based on its mass (M), initial height (H), and gravitational force (G). The coefficient of restitution is a critical factor in determining how high the ball will bounce after each impact. Users suggest practical experimentation, such as bouncing a ball and recording the heights, to gather data for coding simulations. The conversation emphasizes the importance of understanding physics concepts for accurate calculations.

PREREQUISITES
  • Understanding of basic physics principles, specifically the coefficient of restitution.
  • Familiarity with programming concepts for implementing calculations.
  • Knowledge of data fitting techniques for analyzing experimental results.
  • Basic grasp of gravitational effects on motion.
NEXT STEPS
  • Research the coefficient of restitution and its application in bounce calculations.
  • Learn about data fitting methods to analyze experimental bounce height data.
  • Explore programming libraries for physics simulations, such as Pygame or Unity Physics.
  • Investigate the effects of wind resistance and surface types on bounce dynamics.
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Students in computer science and physics, educators teaching motion dynamics, and hobbyists interested in physics simulations and programming.

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Homework Statement
If I were to say M was mass, H was height, and G was gravity, what equation could I plug those variables into to get how high and how many times a ball would bounce after being dropped.
Relevant Equations
Mass, Gravity, and Height of ball being dropped
For school I'm trying to write some code to calculate the height of how high a ball would bounce given its mass, height, and the gravity of where it was dropped. I know there are more variables to consider, like wind resistance and the surface it was dropped on, but for now I'm trying to keep it simple.
"If I were to say M was mass, H was height, and G was gravity, what equation could I plug those variables into to get how high and how many times a ball would bounce after being dropped."
Sorry if any of this seems unclear, I know almost nothing about physics but I need to figure this out for my computer science class.
 
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Without additional assumptions the ball will bounce back to its original height indefinitely.
 
Look up coefficient of restitution.
 
Why not get yourself a bouncy ball, bounce it off the floor with some kind of scale behind it and take a video. You can estimate the maximum height after each bounce and then write the code to describe the motion. It's called data fitting. As a @harusex PF user @haruspex suggested, look up coefficient of restitution.
 
Last edited:
kuruman said:
As a @harusex
Something else on your mind?
 
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Likes   Reactions: berkeman
haruspex said:
Something else on your mind?
Oooops, just one of them Freudian slips. :blushing:
 

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