Answer to Question #250153 in Physics for Renz

Question #250153

  What is the electrostatic force of attraction between a -6.0 x 10^-6 C charge and a 4.0 x 10^-6 C if they are separated by a distance of 3 m ?

Expert's answer

$F=k\frac{q_1q_2}{x^2}=9\cdot10^9\cdot\frac{|6\cdot10^{-6}|\cdot|4\cdot10^{-6}|}{3^2}=0.024\ (N)$

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