An electron has a speed of 0.643c. Through what potential difference would the electron need to be accelerated (starting from rest) in order to reach this speed? (c = 3.00 × 10⁸ m/s, e = 1.60 × 10^-19 C, mel = 9.11 × 10^-31 kg) A) 160 kV B) 130 kV C) 180 kV D) 200 kV

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Quizplus · Accepted Answer

The correct answer is A because the potential difference required to accelerate an electron from rest to a speed of 0.643c is 160 kV.

An Electron Has a Speed of 0