Which one is correct for the law of conservation of momentum?
F1 + F2 =0
m1u1 + m2u2 = 0
m1v1 + m2v2 = 0
m1u1 + m2u2 = m1v1 + m2v2
As per law of conservation of momentum;
Initial momentum of the system = Final momentum of the system
What is M1V1=M2V2 different from M1=M2V2/(V1+V2)and N1V1=N2V2