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A moving particle of mass M and impulse P breaks down in two fragments. One of...

A moving particle of mass M and impulse P breaks down in two fragments. One of these has a mass m1=1.00 MeV/c2​ and an impulse p1 = 1.75Mev/c in the +x direction. The other one has a mass m2 = 1.50 MeV/c2 and an impulse p2 = 2.005 MeV/c in the +y direction. Find: a) The initial impulse (value and direction) b) Total energy of the initial particle c) The mass M of the initial particle d) The value of the initial velocity

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