Total Energy: an Electron Is Accelerated from Rest Through a Potential

Multiple Choice

Total energy: 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