69. Two small balls of mass m1 = m2 = 5 g are suspended on silk threads of length l = 0.6 m each, attached to one hook. After the balls were given equal charges of the same name q1 = q2 = q0, they diverged so that each thread deviated from the vertical by an angle α = 30 °. Determine the charges of the balls

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)