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Three charges are at the corners of an equilateral triangle, as shown in the figure below....

Three charges are at the corners of an equilateral triangle, as shown in the figure below. Calculate the electric field at a point midway between the two charges on the x-axis. (Let Let q1 = 7.00 μC, q2 = 4.50 μC, and q3 = −3.00 μC.

magnitude =? (N/C)

direction = ? (below the x-axis)

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