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A uniform electric field has a magnitude of 2.13E+3 N/C. In a vacuum, a proton begins...

A uniform electric field has a magnitude of 2.13E+3 N/C. In a vacuum, a proton begins with a speed of 2.28E+4 m/s and moves in the direction of this field. Find the speed of the proton after it has moved a distance of 2.02 mm.

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