Question

tae o print da minha pergunta?

Answer 1

"Tae a resposta"...

$F_r=\frac{1}{4\pi*\varepsilon_0}*\frac{q_1*q_2}{r^2}$

$F_r=\overbrace{\frac{1}{4\pi*\varepsilon_0}}^{\approx~K}*\frac{q_1*q_2}{r^2}$

$F_r=K*\frac{q_1*q_2}{r^2}$

$F_r=9*10^9*\frac{3*10^{-6}*2*10^{-6}}{1^2}$

$\boxed{\boxed{F_r=0.054~N=54*10^{-3}~N}}$