physics

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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  1. 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

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