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The force between two charges is 1000 N. One has a charge of 2 × 10-5 C, and the other has a charge of 5 × 10-6 C. What is the distance between them?

Sagot :

Ryan2idn
Use the Coulomb Law:

[tex]F=k.\frac{q_1.q_2}{d^2}\\ \\ 1000=9.10^9.\frac{2.10^{-5}.5.10^{-6}}{d^2}\\ \\ 1000d^2=9.10^9.2.10^{-5}.5.10^{-6}\\ \\ d^2=\frac{9.10^9.2.10^{-5}.5.10^{-6}}{10^3}\\ \\ d^2=\frac{9}{10^4}\\ \\ d=\sqrt{\frac{9}{10^4}}=\frac{3}{100}=0,03 \ m[/tex]
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