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As an electron moves in an electric field, its speed decreases from 8.00 × 106 m/s...

As an electron moves in an electric field, its speed decreases from 8.00 × 106 m/s to 2.00 × 106 m/s.

(a) Does the electron move to a higher potential or a lower potential? Justify your answer.

(b) What is the change in the potential during the electron’s travel?

Hint: Use conservation of energy.

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