Respostas

2014-03-13T13:21:07-03:00
Lei de Coulomb :

F  =  \frac{K . Q.Q}{d^2}

K ~> 9.10⁹


3,6 =  \frac{9.10^9 . Q^2}{1^2}

Q =  \sqrt{ \frac{3,6}{9.10^9} }  =  \sqrt{4.10^-^1^0 } = 2 . 10^-^5 C


4 4 4