"The mass of the proton is $1.672\,621\,637(83) \times 10^{-27}\:\mathrm{kg}$" - please, how does the error work for this?
25304
Uncertainty in parenthesis
138552
Why does amount of protons define how matter is?
140580
Gravitational potential of an approaching mass
18451
Why does "$(( ~33 ))" produce -34?
112366
Is mass an observable in Quantum Mechanics?
103498
Does decrease in temperature affect mass $E=mc^2$?
111445
Why is a proton assumed to be always at the center while applying the Schrödinger equation?
48467
How can a proton be converted to a neutron via positron emission and yet gain mass?
142916
Proton: 2 up, 1 down quark, Neutron: 2 down, 1 up, how can Neutron: proton + electron?
154951
Is the solution to a question regarding four smaller masses on a rotating hollow sphere accurate?
38745
Using Newton's Law of Universal Gravitation to find distance, with the question not giving sufficient information to substitute into the equation.
57305
Relativistic Mass and Gravity
15338
Why is the centre of mass displaced even when external force is 0?
80719
What defines the mass of elementary particle?
152110
How does $p\cdot u$ relate to observed energy and momentum for a massive particle?
141886
Incorrect notation in math?
7477
Why is the momentum of a particle $\gamma mv$?