What is the momentum of a proton when it is moving with a speed of 0.60c? (m_proton = 1.67 × 10^-27 kg) A)1.2 × 10^-19 kg∙ m/s B)1.5 × 10^-19 kg ∙ m/s C)3.0 × 10^-19 kg ∙ m/s D)3.8 × 10^-19kg ∙ m/s

Question

Quizplus · Accepted Answer

Momentum is given by the product of mass and velocity. The mass of a proton is 1.67 × 10^-27 kg and its speed is 0.60c, where c is the speed of light. Therefore, the momentum of the proton is:p = mv = (1.67 × 10^-27 kg)(0.60c) = 3.8 × 10^-19 kg ∙ m/s

What Is the Momentum of a Proton When It Is