Evaluate the magnitude and direction of the electric field

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Question: Two equal positive charges of magnitude q1 = q2 = 1 nC are on the y axis at y1 = +3 cm and y2 = -3 cm.

Part A: What is the magnitude and direction of the electric field on the x axis at x = 5 cm?

I know the correct answer but explain how to get this answer for above question!

Reference no: EM13696363

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