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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The Answer of 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

An Electron (M = 9