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An electron iwth an initial speed of 500,000 m/s is brought to rest by an electric field.

(a) Did the electron move into a region of higher potential or lower potential?
(b) What was the potential difference that stopped the electron?

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2 answers

  1. If the initial KE was absorbed by the system, its PE is higher.

    Vq=KE change.
    solve for V

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    bobpursley
  2. Because proton is a negative

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