po1=800 кг/м3 po2=1000 кг/м3 h1=0.3 м h2=?
po1*g*h1=po2*g*h2
h2=po1*h1/po2=900*0.3/1000=0.27 м (27 см)
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po1=800 кг/м3 po2=1000 кг/м3 h1=0.3 м h2=?
po1*g*h1=po2*g*h2
h2=po1*h1/po2=900*0.3/1000=0.27 м (27 см)
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