Question: 7. Three point-like charges are placed as shown in the figure, a = 20.0 cm and b = 64.0 cm. The charge (93) is

7. Three point-like charges are placed as shown in the figure, a

7. Three point-like charges are placed as shown in the figure, a = 20.0 cm and b = 64.0 cm. The charge (93) is placed half way on the (b) side. Find the magnitude of the electric field at the top left corner. Let q = -2.20 C, 92 = -2.40 C, and q3 = +4.80 C. N/C 93 91 b 92

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