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Two walkways are suspended from vertical rods. In the first scenario, one long rod supports both walkways and is attached to the ceiling....
Asked on 01/20/2021 by drone
4 answerIn quantum mechanics, Schrodinger's position and momentum operators are characterized by the fact that they form a representation of the Heisenberg group $H_{2d+1}$ over $mathbb{R}^{2d+1}$. Discretizing this group,...
Asked on 01/20/2021 by Thomas Vidick
0 answerN has 7 protons and 7 neutrons per atom. So the spin is S=1 for one N-atom. Why is this? I know that they do pairs in the shell model....
Asked on 01/20/2021 by Lisa B.
1 answerIn AdS/CFT correspondence, one mostly studies the case with AdS$_5 times$ S$_5$ on the string side and $4$d $mathcal{N}=4$ Super Yang-Mills on the gauge field theory...
Asked on 01/20/2021
1 answerIf you know the natural frequency of an object, how would one calculate how much the amplitude increases because of resonance? I would imagine it would depend on the material?...
Asked on 01/20/2021
1 answerMy question is that Power, which is energy per unit time P=Nhν/t as the formula suggests, can be increased in two ways, increasing no. of incident photons or increasing frequency....
Asked on 01/20/2021
1 answerThis is a question I’ve been thinking about for a while. If I’m standing in the middle of a straight road, during night, I can see a car coming towards...
Asked on 01/20/2021 by Tchapo
9 answerIn Weinberg's QFT Volume 1 Chapter2, he "derives" the Lie algebra from the Lie group as follows[...] a connected Lie group [...is a...] group of transformations ?($theta$) that are...
Asked on 01/20/2021
0 answerI'm looking for a formula to apply a compensation to the voltage output of a load cell that produces an error with changes in temperature. See the curve below of...
Asked on 01/20/2021 by deandob
0 answerIf you measure the time taken for a fluid (such as oil) in a plastic cup to fall through through a hole made in the bottom of the cup, could...
Asked on 01/20/2021 by Martin Cheong
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