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## Main Question or Discussion Point

I am try to write a program with 3D spheres of different masses, radius, velocities and angles. Then use three dimensional elastic collision equations to find the spheres new velocities and angles. The problem is that i cant find any information or equations on 3D elastic collisions, only 1D ones.

Can someone please point me to where i can find this information.

Can someone please point me to where i can find this information.