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(a) A point charge Q = +4.40 µC is held fixed at the origin. A second point charge q = +2.0 µC with mass of 2.80 10-4 kg is placed on the x-axis, 0.250 m from the origin.

(b) The second point charge is released from rest. What is its speed when it is at the following distances from the origin? 1)0.500 m 2)5.00 m 3) 50.0 m

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