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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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