Particles 1 and 2 have the same magnitude of charge but opposite in (13) sign: q1 = -q2 = 7.36 nC. However, m1 > m2 = 1 can be regarded as stationary in their electrical interaction. Suppose that 14.9 µg such that particle they are initially separated by a distance of 1.71 cm. The magnitude of the escape velocity of particle 2 needed to escape from the pull of particle 1 to infinity is most nearly (A) 87.5 m/s. (B) 61.9 m/s. (C) 75.8 m/s.
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