Question

state the law of conservation of momentum? how can we solve the sum? (5marks)

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Answer 1

Answer:

Law of conservation of momentum states that the momentum is constant before the collosion and after the collosion. It means that if a body crashes with other body then the momentum is conserved. For numeric problems you can use the formula m1u1+m2u2=m1v1+m2v2

here m1=mass of 1st body

m2=mass of 2nd body

u1= initial velocity of 1st body

u2=initial velocity of 2nd body

v1=final velocity of 1st body

v2=final velocity of 2nd body