What potential difference is needed to accelerate an electron from rest to a speed of 1.2x106 m/s ? Express your answer to two significant figures and include the appropriate units. AV = HÅ Value Submit Request Answer Units ?

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What potential difference is needed to accelerate an electron from rest to a speed of 1.2x106 m/s?
Express your answer to two significant figures and include the appropriate units.
μÅ
AV= Value
Submit
Request Answer
Ć
Units
?
Transcribed Image Text:What potential difference is needed to accelerate an electron from rest to a speed of 1.2x106 m/s? Express your answer to two significant figures and include the appropriate units. μÅ AV= Value Submit Request Answer Ć Units ?
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Step 1

When an electron enters a region of a potential difference, the electron accelerates through this potential difference, from the negative end to the positive end.

When the electron enters the potential field, it gains an electric potential energy, which as the electron accelerates and increases its speed, is converted into its kinetic energy.

The potential energy of an electron in a potential field of voltage V is given as

U=eVe is the charge on the electron

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