Recent content by nullspace7

Yeah (needed KE), I've solved it now. I solved it in the center of mass frame, which seemed easier.

Two spheres collide and assume that the collision is perfectly elastic. Also --only linear momentum. I have the relationship: (va' - vb') dot N = -(va - vb) dot N Where N is the normal vector at the point of collision. va and vb are initial velocities of object A and B, respectively...