At what separation (in meter) will two charges, each of magnitude Q = 19.81 µC, exert a force of 60.6 N on each other? Take the electrostatic constant as k = 9.0 x 10⁹ Nm²/C². Note that 1.0 µC = 10-6 C. Please round your answer to two decimal places. Equation: k = √√ 4.9² r =
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