Respostas

2014-03-13T12:56:17-03:00
3 cm ~> 0,03 m ~> 3.10⁻² m

Lei de Coulomb :

F =  \frac{K.Q.Q2}{d^2}

F =  \frac{9.10^9.|2.10^-^6|.|6.10^-^6|}{(3.10^-^2)^2}

F =  \frac{108 .10^-^3}{(9.10^-^4)}

F =  120 N
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