F=k*q₁*q₂/r² ⇒
q₁=F*r²/(k*q₂)=1,008*500²/(9*10⁹*0.004)=1,008*250000/(9*10⁹*4*10⁻³)=
=1,008*25*10⁴/(36*10⁶)=25,2*10⁴/36*10⁶=0,7*10⁻²=0,007 (Кл).
Ответ: q₁=0,007 Кл.
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F=k*q₁*q₂/r² ⇒
q₁=F*r²/(k*q₂)=1,008*500²/(9*10⁹*0.004)=1,008*250000/(9*10⁹*4*10⁻³)=
=1,008*25*10⁴/(36*10⁶)=25,2*10⁴/36*10⁶=0,7*10⁻²=0,007 (Кл).
Ответ: q₁=0,007 Кл.