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Can the masses be neglected if the masses are equal?

In: Physics [Edit categories]

Answer:

Yes. If the masses are the same, then it can be considered as a constant and thus neglected.

First answer by Sugarherb. Last edit by Sugarherb. Contributor trust: 12 [recommend contributor ]. Question popularity: 2 [recommend question].

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What is the atomic mass or mass number equal to?
The amount of protons and neutrons in the nucleus.
The atomic mass or mass number equals what?
Atomic mass NUMBER = number of protons in a nucleus + number of neutrons in the nucleus. The atomic mass of an atom is the total mass including electrons in a motionless atom.
If masses are equal where does their centre of mass lie.?
The center is at the midpoint; 1/2 Distance between them.
You know that mass equals energy but how does energy equal mass?
E=mc2 and by simple algebra m= E/c2
Is the mass of an electron about equal to the mass of a protron?
The mass of an electron is 9.1095x10^-28 grams and the mass of a proton is 1.6726x10^-24 grams. So while both are very small relative to our macroscopic world, protons are nearly 2000 times larger...