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Each of the charges in the diagram below has mass m and charge q. The length of each thread is / and, at equilibrium, the two balls are separated by an angle 20 a. Express the x components of the tension in the thread, 7, as a function of the given variables. (5) b. Express the y components of the tension in the thread, 7, as a function of the given variables. (5) c. Eliminate T to solve for q as a function of m, q, l, g and 0. (5) d. What charge is necessary to hold spheres of mass 0.25 g at an angle of 20 = 30.0 apart at the ends of strings of length 1.0 m? (5) m. q m