3. How much work does the electric field do in moving a proton from a point with a potential of Vo = + 145 V to a point where it is Vy = - 45 V? (3 pts)
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3. How much work does the electric field do in moving a proton from a point with a potential of Vo = + 145 V to a point where it is Vy = - 45 V? (3 pts)
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