As a positron moves through a region of space its speed, Ask an Expert

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As a positron moves through a region of space, its speed increases from 2.80 106 m/s to 8.00 106 m/s. The electric force is the only force acting on the positron.

(a) Did the positron move from a higher potential or a lower potential?

(b) Across what potential difference did the positron travel?

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