Elastic Collisions of Two Spheres

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Contributed by: S. M. Blinder (March 2011)
Open content licensed under CC BY-NC-SA



Snapshot 1: The simplest case is a head-on collision between identical spheres: they simply exchange velocities.

Snapshot 2: The trajectories of two identical spheres in any angular collision are exactly perpendicular.

Snapshot 3: A lighter sphere gets the worst of a collision.

Snapshot 4: Here is the same collision viewed in center-of mass frame.

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