The Work That Must Be Done to Increase the Speed

question 16

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)8.2 *0^-13 J
• B)3.2 *10^-13 J
• C)2.6 * 10^-13 J
• D)7.4 *10^-14 J
• E)3.8 * 10^-15 J

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