Through What Potential Difference Would an Electron Initially at Rest

question 55

Multiple Choice

Through what potential difference would an electron initially at rest need to be accelerated to have its total energy be triple its rest energy? (m_e = 9.11 *10^-31 kg, c = 3.00 *10⁸ m/s, and q_e = 1.6 *10 ^{- 19} C)

• A) 5.1* 10⁵ V
• B) 1.6 *10^-19 V
• C) 1.0 *10⁶ V
• D) 2.6 *10⁵ V

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