In the Lab,a Relativistic Proton Has a Momentum of 1

question 45

Multiple Choice

In the lab,a relativistic proton has a momentum of 1.00 × 10^-19 kg ∙ m/s and a rest energy of 0.150 nJ.What is the speed of the proton in the lab? (c = 3.00 × 10⁸ m/s, m_proton = 1.67 × 10^-27 kg)

• A)0.170c
• B)0.196c
• C)0.911c
• D)0.930c
• E)0.951c

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