Use Coulomb's law.
F = k Q1 Q2/R^2
Each charge will experiences an attraction force F towards the other. The magnitude of the forces will be equal.
R = 0.11 meter
Q1 = Q2 = 1.7*10^-5 Coulombs
k = 8.99*10^9 N/m^2 C^2
http://en.wikipedia.org/wiki/Coulomb's_law
A positive and a negative charge, each of magnitude 1.7 10-5 C, are separated by a distance of 11 cm. Find the force on each of the particles.
what formula do i use?
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