An electron with an initial speed of 6.00×105 m/sm/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? c)What was the initial kinetic energy of the electron, in electron volts?

Physics for Scientists and Engineers
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Chapter24: Electric Potential
Section: Chapter Questions
Problem 2P: (a) Find the electric potential difference Ve required to stop an electron (called a stopping...
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An electron with an initial speed of 6.00×105 m/sm/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?

c)What was the initial kinetic energy of the electron, in electron volts?

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