Find an expression for the electric field

Reference no: EM13695427

Question: Three identical charges q form an equilateral triangle of side a, with two charges on the x axis and one on the positive y axis.

Part A: Find an expression for the electric field at points on the y axis above the uppermost charge.

Any help I can get on this question is greatly appreciated! I'm not too familiar with this question.

Reference no: EM13695427

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