The force F (in N) acting between a particle with a charge q and a round disk with a radius R and a charge Q is given by the equation:
F= Qqz/2ε0(1- z2 +R2)
where εo = 0.885 × 10-12 C2/(Nm2) is the permittivity constant and z is the distance to the particle. Consider the case where Q = 9.4 × 10-6 C, q = 2.4 × 10-5 C, and R = 0.1 m. Make a plot of F as a function of z for O

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