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2. An infinite sheet of uniform surface charge density σ and an infinite sheet of uniform surface charge density parallel to each other and are separated a distance h as shown in the figure below: σ lie a) What is the electric field in regions A, B, and C? b) Suppose an electric dipole composed of a positive point charge +q and negative point charge -q both with mass m separated a distance d is placed in region B If the dipole moment forms a very, very small angle φ with the direction of the electric field, show that the angular orientation of the dipole undergoes simple harmonic motion and find the frequency of oscillations. Hint: see the hint for problem 1

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