Question: Consider two point charges, Q located at (0, a) and +Q at (0, a). (a) Determine the electric force exerted on a charge q located

Consider two point charges, Q located at (0, a) and +Q at (0, a). (a) Determine the electric force exerted on a charge q located at (0, y), with y > a. (b) What is the form of F(y), the modulus of force as a function of y, for y >> a? (Q, q > 0) (Hint: Use the binomial approximation (1 + z)n 1 + nz for small values of z.)

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