What is the momentum of an electron moving at a speed of 0.90 c? (m_e = 0.511 MeV/c² = 9.11 $\times$ 10^-31 kg) A) 3.1 $\times$ 10^-22 kg·m/s B) 2.5 $\times$ 10^-22 kg·m/s C) 5.6 $\times$ 10^-22 kg·m/s D) 4.4 $\times$ 10^-22 kg·m/s E) 2.5 $\times$ 10^-23 kg·m/s

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The Answer of What is the momentum of an electron moving at a speed of 0.90 c? (m_e = 0.511 MeV/c² = 9.11 $\times$ 10^-31 kg) A) 3.1 $\times$ 10^-22 kg·m/s B) 2.5 $\times$ 10^-22 kg·m/s C) 5.6 $\times$ 10^-22 kg·m/s D) 4.4 $\times$ 10^-22 kg·m/s E) 2.5 $\times$ 10^-23 kg·m/s

What Is the Momentum of an Electron Moving at a Speed