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A point charge of +2.0 μC is held fixed at the origin. A second charge of...

A point charge of +2.0 μC is held fixed at the origin. A second charge of -2.0 μC and mass 4.6 ×10−2kg is placed on the x axis and released. Where should the charge be placed so that its initial acceleration will be +1.0 m/s2? (Neglect gravity.) Express your answer with the appropriate units.

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