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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?

  • PHYSICS - ,

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

    Vq=KE change.
    solve for V

  • PHYSICS - ,

    Because proton is a negative

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