The proton is composed by two up quarks and one down quark. The mass of the proton is approximately 940 MeV/c2, the mass of an up quark is approximately 2.3 MeV/c2, and the mass of a down quark is approximately 4.8 MeV/c2. It follows that ________. 2 * mass(up) + mass(down) is approximately equal to 1100 * mass(proton). Where does 99?

Question

24-01-2024
Physics

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The proton is composed by two up quarks and one down quark. The mass of the proton is approximately 940 MeV/c2, the mass of an up quark is approximately 2.3 MeV/c2, and the mass of a down quark is approximately 4.8 MeV/c2. It follows that ________. 2 * mass(up) + mass(down) is approximately equal to 1100 * mass(proton). Where does 99?

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masifakrami masifakrami · Answer 1 · 2024-01-24T17:52:26+01:00

Answer:

Comparing the two sides, we can see that 9.4 MeV/c^2 is significantly smaller than 1034000 MeV/c^2. Therefore, the statement 2 * mass(up) + mass(down) is approximately equal to 1100 * mass(proton) is not true.

Explanation:

Based on the given information, the mass of the proton is approximately 940 MeV/c^2, the mass of an up quark is approximately 2.3 MeV/c^2, and the mass of a down quark is approximately 4.8 MeV/c^2.

To find if 2 * mass(up) + mass(down) is approximately equal to 1100 * mass(proton), we can substitute the given values into the equation and compare the two sides:

Left side: 2 * mass(up) + mass(down) = 2 * 2.3 MeV/c^2 + 4.8 MeV/c^2 = 4.6 MeV/c^2 + 4.8 MeV/c^2 = 9.4 MeV/c^2

Right side: 1100 * mass(proton) = 1100 * 940 MeV/c^2 = 1034000 MeV/c^2

Comparing the two sides, we can see that 9.4 MeV/c^2 is significantly smaller than 1034000 MeV/c^2. Therefore, the statement 2 * mass(up) + mass(down) is approximately equal to 1100 * mass(proton) is not true.

It's important to note that the given masses of the quarks and the proton are approximate values, and the equation provided is not accurate in describing their relationship.