An Electron (M = 9

Question 7

Multiple Choice

An electron (m = 9.11 * 10^-³¹ kg) has a speed of 0.95c. Its kinetic energy is:

A) 8.2 * 10^-¹⁴ J
B) 1.8 * 10^-¹³ J
C) 2.0 * 10^-¹³ J
D) 2.2 * 10^-¹³ J
E) 2.6 * 10^-¹³ J

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