Question

law of conservation of momentum with its equation ​

Answer 1

Answer:

if no external force is acting on system of bodies. total momentum of the system is always consumed.

eq. (m2v2+m1v1)=(m1u1+m2u2)

Answer 2

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Newton's third law states that for a force applied by an object A on object B, object B exerts back an equal force in magnitude, but opposite in direction. This idea was used by Newton to derive the law of conservation of momentum. ... B=m_{2}(v_{2}-u_{2}) (change in momentum of particle B)