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I am trying to model a mass being driven by a motor (Angular acceleration $dot{omega}$ and shaft-polar modulus $J$) with belts and pulleys. This is then being compared to numerical...
Asked on 07/01/2021 by dearN
1 answerIf I understand correctly, when a beam of (monochromatic) light passes through media of different refractive indices, its wavelength changes but frequency remains constant. Why, then, are colours of light...
Asked on 07/01/2021
1 answerWhen an electron transitions from an excited state to the metastable state, no radiation is emitted i.e. a radiationless transition. My question is: Where does the energy difference between excited...
Asked on 07/01/2021
1 answerConsider the elastic scattering of a particle, which can be represneted by a plane wave with wave vector $mathbf k$, from a periodic potential. We know that $mathbf{k}$...
Asked on 07/01/2021
1 answerIt is a question from the Irodov:Find the capacitance of a system of two identical metal balls of radius $a$ if the distance between their centres is equal to...
Asked on 07/01/2021
1 answerThis video illustrates the Intermediate Axis Theorem by showing that the system of rotations is confined to the the intersection of the ellipsoid representing angular momentum ...
Asked on 07/01/2021
0 answerAs far as I can check, the Aharonov-Bohm effect is not -- contrary to what is claimed in the historical paper -- a demonstration that the vector potential $A$ has...
Asked on 07/01/2021 by FraSchelle
5 answerThis may sound like a daft question, considering a filter would be the easiest way to make this change. However, I was wondering if white light could be changed into...
Asked on 07/01/2021 by Snfkin
3 answerI am aware that the dot product of the position and velocity vector, $(vec{r}cdotvec{v})$, in circular motion under a central force, $F(r)=-frac{k}{r^2}$, is equal to zero as the...
Asked on 07/01/2021
2 answerI'm working on a statistical model which involves many degrees of freedom $?=1...?$. Each degree of freedom is described by a gamma distribution with its own parameters, which we...
Asked on 07/01/2021 by jeaster
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