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Momentum: an object's quantity of motion
Mathematical symbol for momentum is a lowercase p
p=mv
Units for momentum are kgm/s
In an isolated system, momentum is always conserved
MaVi+MbVi = MaVf+MbVf
Elastic collisions have energy conserved (hit and bounce off)
inelastic collisions do not have energy conserved (hit and stick together)
mVi = (m+M)(Vf)
Vf = sqrt 2gh