Newton's 3rd law / instantaneous acceleration
If for every action there is an equal and opposite reaction then when an object A strikes object B shouldn't the force involved be infinitely reflected between the two objects?
On the same note, does the opposite reaction bit mean that when an object is acted upon it will move with twice the force it was hit with?
As for instantaneous acceleration. This name sounds like a misnomer, it seems to me illogical that something can have acceleration that is not measured between 2 points. Can anyone explain this to me?