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The figure shows an arrangement of two -3.2 nC charges, each separated by 5.0 mm from...

The figure shows an arrangement of two -3.2 nC charges, each separated by 5.0 mm from a proton. If the two negative charges are held fixed at their locations and the proton is given an initial velocity v as shown in the figure, what is the minimum initial speed v that the proton needs to totally escape from the negative charges?

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