Respostas

2013-08-14T13:51:05-03:00
Vou supor que 1*10"8 = 1*10^-8 e assim por diante.

F = k*Q/d²

F = 9*10^9 * 1*10^-8 * 5*10^-8 / 3*10^-2

F = 45 * 10^-7 / 3*10^-2

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F = 15 * 10^-5 Newtons
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