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Anaswara
Answers (1)
according to law of conservation of linear momentum m1u1+m2u2=m1v1+m2v2 velocity of man with respect to man =Vm-Vb 2=Vm-Vb therefore ,iniitally at rest so before =o 0=200Vb+100+50Vb 250Vb= -100 Vb= -2/5
