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I am still trying to understand Navier-Stokes equations. I understand the equations in general, BUT there is one aspect I still cannot digest: The equations assume that density is constant...
Asked on 09/25/2021
2 answerIf a car drives into a wall and energy cannot escape to the environment, does all that energy that went into the wall get transferred back into the car? If...
Asked on 09/25/2021 by joib
1 answerAs all the molecules in the lattice are vibrating together to form a wave and the phonon is a quantum phenomenon, it makes sense to me that...
Asked on 09/25/2021
3 answerThere is a quantum harmonic oscillator such as the vibration of diatomic molecules. [1, 2]The molecular vibrations are quantized and the energy spectrum...
Asked on 09/25/2021
1 answerIn AdS/CFT, when the spacetime is a planar AdS black hole with dimension ($d+1$), the corresponding energy of boundary field theory is proportional to the black hole mass parameter. For...
Asked on 09/25/2021
1 answerI do not understand when two Gaussian distributions are considered separated, given the resolution of the variable. Let us suppose we want to know if the difference between two times...
Asked on 09/25/2021 by Antonio Iuliano
1 answerThe electric potential is zero on the equitorial plane of an electric dipole but there is an electric field at that plane anti parallel to the direction of dipole moment....
Asked on 09/25/2021
2 answerI am struggling to understand some details of the cross section plot by Stirling that is very often shown when talking about LHC physics. See e.g. here: ...
Asked on 09/25/2021
1 answerI was confused by another equation again. Would appreciate it if anyone sheds light for me! Consider the following question:A teacher demonstrates a giant pirouette (legs fully extended, body straight)...
Asked on 09/25/2021 by Jeffrey10th
1 answerLet's say that we have defined a certain physical quantity from a particular relationship and then we find another relationship and define the physical quantity again. For example,$$v...
Asked on 09/25/2021
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