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Found 7 results

  1. I believe everyone is quite familiar with many optical illusions. This is one of the most known optical illusions. When we stand on railway tracks, we have the impression that the tracks in the distance get closer and touch each other. If we stand on a hill and look down at the town under us, we see the nearby houses bigger than the houses in the distance. Is this an illusion?! How would we otherwise have a real sense, what near to us and what farther away is?! Thanks to this “illusion”, we can truly perceive the reality. The “illusion” with
  2. Hello, I am wondering while finding viscosity of gas why do we consider the rate of transfer of momentum in downward direction to be shear strain ?
  3. Can anyone help me visualize the solution of Harmonic Oscillator Equations . Especially when we suppose the solution to be Aeat and eventually get , a= + - i wot And how does it work in the complex region of the equation. And mainly what should I do to fully understand it .
  4. I have been set the following piece of work which I have mostly done, I have worked out the amount of particles hitting the disk but am unsure on how to continue to work out the number of particles hitting the back of the ring, any help would be appreciated, thank you
  5. I have been set the following piece of work which I have mostly done, I have worked out the amount of particles hitting the disk but am unsure on how to continue to work out the number of particles hitting the back of the ring, any help would be appreciated, thank you
  6. OK, so I am a pretty-advanced society and I want to build a ring around a Jupiter-like planet that could serve as a living space - lots of living space. Lets say I want it to be about 5K miles wide and have roughly 1G gravity. Questions*: 1. How far above the "surface" of the gas giant do I need to be to have an Earth-like gravity? 2. What would be the circumference of the ring? 3. How much surface area would it have? (Rated in living space equal to the Earth's, i.e. it has the surface area of 350 Earths.) 4. What would be the best way to maintain atmosphere? Just high side-walls + gravity?
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