Question

Como resolver, urgente?

Answer 1

Resposta:

Olá bom dia!

$F =k* \frac{q1*q2}{d^2}$

30 cm = 0,3 m

$F =9*10^9* \frac{3*10^{-6}*{5*10^{-6}}}{0,3^2}$

$F =9*10^9* \frac{15*10^{-12}}{0,3^2}$

$F =135* \frac{10^{-3}}{0,09}$

$F=1500*10^{-3}$

F = 1,5 N