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Results tagged with thought-experiment
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user 184540
Hypothetical situation in which, for simplification, only some physical aspects are considered in order to further understand or reveal contradictions between the laws governing them.
1
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answer
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Yet Another Relativity Question [closed]
Intro
Thank you for reading.
I realize this looks like a long question, but its a homework-like/thought-experiment question, and I've tried to put as much work into it as possible before posting it, s …
- 3,125
7
votes
4
answers
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Pressure in giant ball of water floating in space
In this question:
Swimming in a ball of water in space
They seem to have reached the conclusion that the pressure inside a giant ball of water in space is zero.
Quoting the second answer:
As a …
- 3,125
1
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2
answers
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How much motion in fluids is random motion?
Say that the only pressure differences in the atmosphere was due to the gravitational pull of the earth. That is, say pressure only changed as a function of height.
So we're assuming there's no wind, …
- 3,125
4
votes
0
answers
137
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Thought experiment - Universe that follows $f \propto \frac{1}{r}$ law [closed]
In our universe, due to reasons usually attributed to the 3D geometry of it, the forces of nature seem to mostly be $\propto \frac{1}{r^2}$, inversely proportional to the distance of the source of the …
- 3,125
1
vote
2
answers
363
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Rigid bar on a pivot
Say we have a solid bar in space. It is on a pivot, the pivot being right at the bar's center of mass
There is a massless rocket pushing on one end of it, making it spin, faster and faster.
Suddenly …
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