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Two point charges are fixed 4.0 cm apart from each other.
Their charges are Q1 = Q2 = 6.5 µC, and their masses are
m, = 1.5 mg and m, = 2.5 mg. (a) If Qj is released from
rest, what will be its speed after a very long time? (b) If
both charges are released from rest at the same time, what
will be the speed of Q1 after a very long time?

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