The Work That Must Be Done to Increase the Speed

question 51

Multiple Choice

The work that must be done to increase the speed of an electron (m = 9.11 * 10^-31 kg) from 0.90c to 0.95c is:

• A) 2.6 * 10^-13 J
• B) 8.2 * 10^-13 J
• C) 3.2 * 10^-13 J
• D) 7.4 *10^-14 J
• E) 3.8 * 10^-15 J

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