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I am a mechanic trying to gain a better understanding of electrical theory on vehicles. I have a sound understanding of Ohm's law and also the power formula (Power =...
Asked on 10/03/2021
2 answerafter reading about diffraction I am confused on how its effect came to be understood. Can one derive diffraction from the wave equation and base principles or is it a...
Asked on 10/03/2021
1 answerI am new to quantum mechanics, and I just studied some parts of "wave mechanics" version of quantum mechanics. But I heard that wavefunction can be represented as vector in...
Asked on 10/03/2021 by user23145
3 answerWhat is the size/scale of a wood fire that is producing 1kW? I'd like to improve my ability to conceptualize various power scales....
Asked on 10/03/2021
4 answerLets say that we have a spring, with spring constant k. It has an orignal length of $l_1$ and after stretching it a length of $l_2$. Now lets...
Asked on 10/03/2021
1 answerTo make this question clear, here are the details of the situation I wish to entertain.A spacecraft does a powered gravitational assist, where it fires engines in a near-approach to...
Asked on 10/03/2021
1 answerWhen deriving the magnetic field due to a current carrying wire, if we choose a circular Amperian loop, we can state: $$oint vec B cdot dvec s = mu_0...
Asked on 10/03/2021
2 answerI understand second quantization, and how absorption and spontaneous/stimulated emission works for an electron in $m$-level system. In other words, I know how a photon with the right frequency...
Asked on 10/03/2021 by diemilio
0 answerI'm familiar with the basic idea of what a wormhole (Einstein-Rosen bridge) is and have seen many varied visualizations of what it would perhaps look like if you met one....
Asked on 10/03/2021
1 answerIn "Analytical Mechanics" by N. A. Lemos, in page 99 the author determines the time derivative relation between an inertial frame $Sigma$ an an non-inertial frame ...
Asked on 10/03/2021 by Geni Rataria
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