An Electron Is Accelerated from Rest Through a Potential Difference

question 8

Multiple Choice

An electron is accelerated from rest through a potential difference of 50.0 kV.What is the TOTAL energy of the electron? (c = 3.00 × 10⁸ m/s,e = 1.60 × 10^-19 C,m_el = 9.11 × 10^-31 kg)

• A)8.00 × 10^-15 J
• B)16.2 × 10^-15 J
• C)8.20 × 10^-14 J
• D)9.00 × 10^-14 J
• E)16.2 × 10^-14 J

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