d=0.5*10^-3 м h=30*10^-3 м ро=1000 кг/м3 g=10 σ=?
h=2*σ/(po*g*r) r=d/2
σ=h*po*g*d/4=30*10^-3*1000*10*0.5*10^-3/4=0.15 Н/м
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d=0.5*10^-3 м h=30*10^-3 м ро=1000 кг/м3 g=10 σ=?
h=2*σ/(po*g*r) r=d/2
σ=h*po*g*d/4=30*10^-3*1000*10*0.5*10^-3/4=0.15 Н/м
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