An Electron (M = 9

question 9

Multiple Choice

An electron (m = 9.11 *10^-31 kg) has a momentum of 4.0 *10^-13 kg .m/s. Its kinetic energy is:

• A) 6.3 *10^-14 J
• B) 8.2 * 10^-14 J
• C) 1.2* 10^-13 J
• D) 1.5 * 10^-13 J
• E) 2.7* 10^-13 J

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