Specify the mass of a proton in kilograms and in the $u$ (atomic mass unit).

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(N/A) The mass of a proton is a fundamental physical constant.
In kilograms, the mass of a proton is approximately $m_p = 1.6726219 \times 10^{-27} \ kg$.
In atomic mass units $(u)$, the mass of a proton is approximately $m_p = 1.007276 \ u$.

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