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wlad13 [49]
3 years ago
9

When in orbit, astronauts experience weightlessness what is this caused by?

Physics
2 answers:
Digiron [165]3 years ago
8 0

the answer for ur question

no gravity or dark matter




erica [24]3 years ago
4 0

no gravity or dark matter

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If the accuracy in measuring the position of a particle increases, the accuracy in measuring its velocity will
astraxan [27]

Answer:

Therefore the answer is the precision in the speed DECREASES

Explanation:

In quantum mechanics, we have the uncertainty principle that establishes that when the accuracy of the position increases the accuracy  the speed decreases, being related by the expression

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                h' = h/2π

Therefore the answer is the precision in the speed DECREASES

7 0
3 years ago
Molecular orbital theory correctly predicts paramagnetism of oxygen gas. true or false
PtichkaEL [24]

Answer: Yes.

Explanation:

Oxygen has a bond order of two. The bond order of Oxygen molecule is calculated, where the [<em>eight valence electrons in bonding molecular orbitals</em> minus (-) <em>four valence electrons in antibonding molecular orbitals</em>]/2 in the electron configuration.

Atoms/molecules where electrons are paired are diamagnetic (repelled by both poles of a magnetic); while atoms/molecules that have one or more unpaired electrons are paramagnetic (attracted to magnetic field).

The two unpaired electrons of dioxygen molecules has made it <u>paramagnetic</u>. By pouring liquid oxygen between the poles of a strong magnet, the liquid stream will be contained by the filed and fills up the space between the poles.

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3 years ago
What state of matter did the earth need to be in order for planetary differentiation to occur?
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3 years ago
Help!! If an atom has 7 protons and 8 neutrons, and is not in an excited state, how many electrons would Bohr say the atom has?
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The answer I believe is 6
8 0
3 years ago
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The volumes of a sample of lead and a sample of platinum are the same: 2 cm3. The density of lead is 11.3 g/cm3 and the density
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The answer is C. The mass of the platinum sample is greater than the mass of the lead sample. As I explained in a previous answer, if they are the same volume, but one is heavier, then it must be more dense. In this particular example, the platinum is more dense than the lead, and therefore has more mass.

4 0
3 years ago
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