Respostas

2014-03-28T15:30:22-03:00
Lei de Coulomb

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

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

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

Q=   \sqrt{\frac{Fel . d^2}{K} }

k ~> 9.10⁹

AGORA SÓ SUSTITUIR OS VALORES

Q=   \sqrt{\frac{3,6 . (1)^2}{9.10^9} }     =  \sqrt{ 4.10^-^1^0} = 2.10^-^5 C