Arrange three charges in the form of an equilateral triangle as shown in the figure and find the force q3 due to the other two (take k = 9 * 10^9 Nm^2/C^2). y (m) q1 = 5.0 * 10^-6 C q2 = 2.0 * 10^-6 C (T) q3 = 20 * 10^-6 C a. 0.09 N b. 1 N c. 0.2 N d. 0.0225 N
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