v1=178/8900=0.02кг/м3
v2=355/7100=0,05м3
m=178+355=533кг
v=0.02+0,05=0,07м3
p=533/0,07=7614кг/м3
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v1=178/8900=0.02кг/м3
v2=355/7100=0,05м3
m=178+355=533кг
v=0.02+0,05=0,07м3
p=533/0,07=7614кг/м3