Question

Particles of charge +70 and -80 uC are placed along the x-axis as shown, separated by a distance of 0.70 m. (A) Calculate the electric field at the center, 0.35 m from each. (B) Indicate its direction. 6. (C) Suppose a particle with charge +48 uC is inserted at the point X in the figure above. Calculate the force on the new particle. Indicate its direction. (D) What changes if the charge is-48 pC? (E) What is the force if the arrangement is inside a cell, surrounded by water, with dielectric constant, K-80?

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