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Natnael
Answers (3)
2Zinc
2.25
Given M1=600kg U1=20m/s M2=900kg U=0 Req V2=? Solution M1u1+M2u2=v(m1+m2) 600kg*20m/sec+900kg*0=(600kg*-4m/s)+900kgv2= 12000kgm/s=-2400kgm/s+900kgv2 12000kgm/s+2400kgm/s=900kgv2 14400kgm/s=900kgv2 v2=16m/s