## Answer

###### Wiki User

###### 05/09/2013

m1v1+m2v2 =m1u1+m2u2....i think so...thats what i was trying to find out!!!!

Newton's second law is that the force equals the rate of change of momentum:

F = d/dt (MV) = MdV/dt + VdM/dt.

Usually the second term gets forgotten, leaving F=MdV/dt, or in other words:

force = mass times acceleration.

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