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(7.) A particle with a charge of +2.0 mC and a mass of 5 x 10-6...

(7.) A particle with a charge of +2.0 mC and a mass of 5 x 10-6 kg passes through point A with a speed of 20 m/s and through point B with a speed of 50 m/s. Using the principle of conservation of energy, find (VA – VB), the potential difference between the points A and B.

            Which point is at a higher potential? Does your answer make sense? Explain.                                                                                                      [10 points]

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