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A similar question has been asked here before, but that did not contain the particular solution I am after and is now closed. I was wondering if there is...
Asked on 05/16/2021 by Quantum
4 answerApparently, high-pressure impact sprinklers, used to water fields, have pumps that work at between 25 and 60 psi. This lead me to wonder: If I swing a stick with a...
Asked on 05/16/2021 by fodder feline
0 answerHere in this picture you can see $I_W$ which is induced by H.But why $I_W$ is not vice versa?Because of$$rot...
Asked on 05/16/2021 by kame
0 answerThere was an interesting Q/A about mixing helium and nitrogen. Is there anything that can be added to liquid nitrogen to reduce it's freezing point to below 63 kelvin?...
Asked on 05/16/2021 by Paul De Jong
1 answerAm I correct to say that since the divergence of the following E field $$ mathbf{E} = frac{1}{4piepsilon_0}left[ frac{3(mathbf{p_0}cdothat{r})hat{r}-mathbf{p_0}}{r^3} right] - frac{1}{3epsilon_0}mathbf{p_0} delta^3(mathbf{r}) $$ satisfies Gauss’ law for electricity...
Asked on 05/16/2021
1 answerI am a River Pilot and drive ships for a living. These ships are very large and range up to 160,000 Metric Tons. I am trying to figure out how...
Asked on 05/16/2021 by wayofthefuture
5 answerSuppose you have a superconducting wire with a constant current below the critical current and a resulting magnetic field below the critical magnetic field. If you were to wind the...
Asked on 05/16/2021 by dl19
1 answerI'm reading the book "Advances in Nuclear Physics vol 13" by J. W. Negele and Erich Vogt In chapter 3, one wants to calculate the magnetic moment for a current...
Asked on 05/16/2021 by cmmigl
1 answerPhysics concepts state that in order to turn ferrous (or other magnetic) material magnetic, you need to stroke it with a magnet. Okay, but for the first magnet, we didn't...
Asked on 05/16/2021
3 answerRecently I heard the terminology of Witten diagram. Studying QFT, I frequently see Feynman diagrams and use them to compute scattering amplitudes, one-loop corrections and so on. In...
Asked on 05/16/2021
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