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A particle with a charge of −1.6 μC and a mass of 3.5  10-6 kg is released...

A particle with a charge of −1.6 μC and a mass of 3.5  10-6 kg is released from rest at point A and accelerates toward point B, arriving there with a speed of 35 m/s. The only force acting on the particle is the electric force.

(a) Which point is at the higher potential?

point A point B ?


Give your reasoning.

Negative charge accelerates from a higher potential to a lower potential.Negative charge accelerates from a lower potential to a higher potential.    


(b) What is the potential difference VB − VA between A and B?
V

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