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Most Collisions Are Secretly In One Dimension

2022-05-26

[public] 66.2K views, 29.8K likes, dislikes audio only

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This video is about elastic and inelastic collisions in 1D, 2D and 3D - and how the collision of conservation of energy with conservation of momentum, plus a secret direction, results in a completely predetermined behavior for most collisions.

REFERENCES

1D Collision Calculator:

http://hyperphysics.phy-astr.gsu.edu/hbase/col1d.html#c1

Elastic collision of spheres Wolfram

https://demonstrations.wolfram.com/ElasticCollisionsOfTwoSpheres/

Oblique collisions of two 2D spheres

https://iopscience.iop.org/article/10.1088/1361-6404/aab330

Ballistic Pendulum

http://hyperphysics.phy-astr.gsu.edu/hbase/balpen.html

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Introduction
/youtube/video/bSVfItpvG5Q?t=0
Two unknown variables
/youtube/video/bSVfItpvG5Q?t=18
Two identical objects
/youtube/video/bSVfItpvG5Q?t=43
Conservation of energy
/youtube/video/bSVfItpvG5Q?t=60
Velocity
/youtube/video/bSVfItpvG5Q?t=83
Outcome
/youtube/video/bSVfItpvG5Q?t=130
Brilliant
/youtube/video/bSVfItpvG5Q?t=176
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minutephysics Simply put: cool physics and other sweet science. "If you can't explain it simply, you don't understand it well enough." ~Rutherford via Einstein? (wikiquote) Created by Henry Reich
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