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Ludmilka [50]
3 years ago
12

The mass of an atom is ________________________.

Physics
1 answer:
alexandr402 [8]3 years ago
7 0
The mass of an atom comes from the protons and neutrons that is found in the nucleus. The number of protons is the atomic number of an element. To find the number of neutrons, subtract the atomic number from the mass of an atom. For example, sodium’s atomic number is 11. This will tell us that sodium has 11 protons in it. The atomic mass of sodium is 23. So subtract 23 form 11 gives us 12. Therefore, there are 12 neutrons in sodium.
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Marat540 [252]

Answer:

a) 6636 km

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Explanation:

The height above the earth at its furthest point is 368 km

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The distance of the satellite from the center of the earth to the furthest point is 6370 + 368 km = 6738 km

The distance of the satellite from the center of the earth to the closest point is 6370 + 164 = 6534 km

If we add together the sum of the distance of the satellite from the furthest and its closest distance, it is equal to the 2 major semi axis.

Basically,

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a = (R + r) / 2

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a = 13272 / 2

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Eccentricity, e = (a - r) / a

Eccentricity, e = (6636 - 6534) / 6636

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