F=50 H Lo=5 м ΔL=0.05 м d=0.4*10^-3 м Е=?
F=E*S*ΔL/Lo S=π*d²/4
E=4*F*Lo/(π*d²*ΔL)=4*50*5/(3.14*0.16*10^-6*0.05)=40*10^9 Н/м²
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F=50 H Lo=5 м ΔL=0.05 м d=0.4*10^-3 м Е=?
F=E*S*ΔL/Lo S=π*d²/4
E=4*F*Lo/(π*d²*ΔL)=4*50*5/(3.14*0.16*10^-6*0.05)=40*10^9 Н/м²
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