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is there some general approach to deducing the continuity conditions at a wave boundary for any type of wave - quantum, string, pressure etc. that works for you in your...
Asked on 02/21/2021 by EdS
0 answerI'm trying to model a particle being dropped from a height onto a smooth inclined ramp, sliding down it and then freely falling after it leaves the ramp at the...
Asked on 02/21/2021 by Nerd
1 answerYou know how the earth orbits the sun because of gravity?...well if the sun were the right distance from the earth and it had the perfect tangential velocity...could it orbit...
Asked on 02/21/2021
4 answerFor photon gas, We know that$$U=u(T)V, p =frac{u(T)}{3}$$As $$G=U+pV-TS=uV+frac{u}{3}V-frac{4u}{3}V=0$$$$dG=-SdT+Vdp=0$$$$Rightarrow s=frac{dp}{dT}not=0$$$$dp=0Rightarrow dT=0$$which means that $C_p=infty$. which is...
Asked on 02/21/2021
1 answerThere are some cosmological models (for example, the pre-big bang model, the emergent model, or the string gas model) that for me, as a student, are completely incomprehensible physically and...
Asked on 02/21/2021
0 answerSo, I was observing my water purifier fill up my water bottle and I noticed that the beam of water coming through it became less and less focused as it...
Asked on 02/21/2021
2 answerIs there a calculation of how much of the mass of baryonic matter is black holes, including supermassive black holes in the center of galaxies?...
Asked on 02/21/2021 by Arman Armenpress
1 answerI recently learned of lattice field theory wherein quantum fields are defined on a discrete spacetime. Naively this sounds to me a lot like certain numerical methods...
Asked on 02/21/2021
1 answerThe wave equation is an example of an equation for which there are simple transparent boundary conditions. We can factorize the wave operator$$partial_t^2 -partial_x^2 = (partial_t - partial_x)(partial_t...
Asked on 02/21/2021
0 answerThe problem:A flat capacitor is made of two strips of width $a$ and length $l$. The distance between them is $d$. Determine the capacitance of that capacitor...
Asked on 02/21/2021 by Wolfcho
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