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The potential at location A is 452 V. A positively charged particle is released there from rest and arrives at location B with a speed Vb. The potential at location C is 791 V, and when released from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vb. What is the potential at B?

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It explains how to calculate the electric potential difference in space. The solution is detailed and well presented.

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