Two protons, each of mass (m_{mathrm{p}}=1.67 times 10^{-27} mathrm{~kg}), collide to produce a particle that has a

Question:

Two protons, each of mass $m_{\mathrm{p}}=1.67 \times 10^{-27} \mathrm{~kg}$, collide to produce a particle that has a mass 300 times the mass of each proton. What is the minimum kinetic energy that one of the protons must have in order to create this particle if the other proton is initially at rest?

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