q=2.5*10^-9 Кл E=2*10^4 В/м r=0.2 м A=?
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A=F*r=q*E*r=2.5*10^-9*2*10^4*0.2=10^-5 Дж
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q=2.5*10^-9 Кл E=2*10^4 В/м r=0.2 м A=?
===
A=F*r=q*E*r=2.5*10^-9*2*10^4*0.2=10^-5 Дж
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