Answer to Question #301505 in Physics for niel

Question #301505

compute the electric force between two charges of 5×10^-9 C and -3×10-8 C which are reparated by r=10 cm

Expert's answer

The Coulomb's law says

"F=k\\frac{q_1q_2}{r^2}\\\\\n=9*10^9*\\frac{5*10^{-9}*3*10^{-8}}{0.1^2}=1.35*10^{-4}\\;\\rm N"

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