Question

Two positive charges, both of charge Q = 99.0 μC, are held fixed a distance L = 19.80 cm to either side of a particle of charge qー-5.50 μC and mass m = 2.10 g. This particle is constrained to move along a frictionless wire halfway between the two charges, as indicated in the figure below. Neglecting any gravitational effects, determine the frequency f of small-amplitude oscillations of the particle. Number Hz 0 0

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