Respostas

2013-11-12T23:35:20-02:00
F = K.Q/D²
F = 9.10^9 * 2.10^6 * 5.10^6 / 0,5²
F = 90.10^21 / 0,25
F = 360.10^21
F = 3,6.10^23 N
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