Respostas

2014-05-09T18:21:34-03:00
Fel= \frac{K|Q||q|}{d^2} \\   \\ Fel= \frac{9.10^9.6.10^{-6}.8.10^{-6}}{(40.10^{-2})^2}  \\  \\ Fel= \frac{432.10^{-3}}{1600.10^{-4}}  \\  \\ Fel= \frac{432.10^{-3}}{16.10^{-2}} \\  \\ Fel=27.10^{-1} \\  \\ Fel=2,7N
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lenbrando que a distancia tem que ta em metros