Most Collisions Are Secretly in One Dimension

The first 200 people to https://brilliant.org/MinutePhysics/ get 20% off an annual Premium subscription to Brilliant. 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 Support MinutePhysics on Patreon! http://www.patreon.com/minutephysics Link to Patreon Supporters: http://www.minutephysics.com/supporters/ MinutePhysics is on twitter - @minutephysics And facebook - http://facebook.com/minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Created by Henry Reich