Question

doy corona responda bien o lo reporto​

Answer 1

Explicación:

$f = k \frac{q1.q2}{ {r}^{2} }$

${r}^{2} .f =k. q1.q2$

${r}^{2} = \frac{k.q1.q2}{f}$

$r = \sqrt{ \frac{k.q1.q2}{f} }$