h=13.5*10^-3 м σ=0.07 d=2*10^-3 ρ=?
h=2*σ/(ρ*g*r) r=d/2 ρ=4*σ/(h*g*d)=4*0.07/(13.5*10^-3*9.8*2*10^-3)=1058 кг/м3
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h=13.5*10^-3 м σ=0.07 d=2*10^-3 ρ=?
h=2*σ/(ρ*g*r) r=d/2 ρ=4*σ/(h*g*d)=4*0.07/(13.5*10^-3*9.8*2*10^-3)=1058 кг/м3
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