We have three charges:
- \( q_1 = -2.80 \, \mu\text{C} \)
- \( q_2 = -3.30 \, \mu\text{C} \)
- \( q_3 = -4.50 \, \mu\text{C} \)
The charges are placed at the corners of an equilateral triangle with side length \( s = 22.0 \, \text{cm} = 0.22 \, \text{m}
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