Third class natural rubber shock two spheres and impacting wall

1 exercise with ball 1 collides with ball head and rubber two initially immovable. Or sfaira1 then tires and collides head on the wall and run to prevent the two
. We therefore the masses so that both balls can not cross again.
Elastic frontal impact, plastic impact, speed, body meeting, the conservation of energy, conservation of mechanical energy principle, principle of conservation of momentum, momentum, mass ratio, kinetic energy, side impact, insulated body system, internal force, external forces,

[@fouzal3badi898]

thank you very much and bless you.

[@ΔΑΒΙΔΜΑΛΕΖΑΣ]

thank you too