h=1.5 A=300 n=0.8
n=m*g*h/A m=A*n/(g*h)=300*0.8/(10*1.5)=16 кг
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h=1.5 A=300 n=0.8
n=m*g*h/A m=A*n/(g*h)=300*0.8/(10*1.5)=16 кг
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