F=kq1q2/r2
r=корень(kq1q2/F)=
=корень(9*10(9)Нм2/Кл2*1.3*10(-9)Кл*1.3*10(-9)Кл/1.69*10(-5)Н)=
=корень(9*10(-4))=3*10(-2)м=0.03м=3см
F=kq1q2/r2
r=корень(kq1q2/F)=
=корень(9*10(9)Нм2/Кл2*1.3*10(-9)Кл*1.3*10(-9)Кл/1.69*10(-5)Н)=
=корень(9*10(-4))=3*10(-2)м=0.03м=3см