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Serggg [28]
3 years ago
13

A gymnast whose weight is 5 10 N hangs from the middle of a bar supported by two vertical strands of rope. What is the tension i

n each strand?
A. 765 N
B. 0 N
C. 1020 N
D. 510 N
E. 255 N
Chemistry
1 answer:
mamaluj [8]3 years ago
4 0
It’s gotta be e he was like i and we are all over here we have never it again
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Consider two equal size rooms connected by an open door. One room is maintained at a higher temperature then the other one. Whic
patriot [66]

Answer:

  • The room mantained at a lower temperature will contain more air molecules.

Explanation:

1) Since the two rooms are <em>connected by an open door</em>, you assume pressure equilibrium: the pressure on the two rooms is the same.

2) Since you consider <em>two equal size rooms</em>, both volumes are equal.

3) Assuming ideal gas behavior, pressure (P), temperature (T), volume (V) and number of moles (n) are related by the equation PV = nRT

4) Naming T₁ the lower temperature, T₂ the higher temperature, n₁ the number of moles of air in the room at lower temperature, and n₂ the number of moles of air in the room at higher temperature, you get:

  • n₁ T₁  = n₂ T₂, or n₁ / n₂ = T₂ / T₁

5) That means that the amount of molecules (number of moles) is inversely related to the temperature: the higher the temperature the lower the number of moles, and the lower the temperature the greater the number of moles.

Hence, the answer is that <em>the room that contains more air molecules is the room mantained at a lower temperature.</em>

5 0
3 years ago
Which of the following is not part of our climate system?
Afina-wow [57]
I think the ones that don’t belongs is Cities and ocean
4 0
2 years ago
Scientists have collected the following data regarding rock ages along a mid-ocean ridge.
ivanzaharov [21]

The statement is supported by the data, is that the youngest rocks on the seafloor were at the mid-ocean ridge.

<h3>What is the evidence regarding the age of the rocks?</h3>

The data collected by scientists regarding rock ages along a mid-ocean ridge seafloor with mid-ocean ridge showing age of rock increasing the further from the ridge.

From the data, they found that the youngest rocks on the seafloor were at the mid-ocean ridge and the rocks get older with distance from the ridge crest.

Thus, the statement is supported by the data, is that the youngest rocks on the seafloor were at the mid-ocean ridge.

Learn more about age of rocks here: brainly.com/question/23546028

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4 0
2 years ago
If you have a 12.0 gram steel ball at sea level and then take it up to mt. Fuji what will change?
andrey2020 [161]
The air pressure. the air pressure increases as the altitude an object is at increases.
8 0
3 years ago
Which statement below is the BEST explanation for the differences
IgorC [24]

Answer:

A

Explanation:

Electron geometry describes the arrangement of electron groups. Molecular geometry describes the arrangement of atoms, excluding lone pairs.

7 0
3 years ago
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