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I wanted to solve a heat equation for cube which has initial temperature of $100°C $ and is cooling to the temperature of $20°C$. I calculated heat equation...
Asked on 07/30/2021 by Agata Bielecka
1 answerConsider a finite square well of depth $V_0$ and which extends from $-a$ to $a$. For $|x|>a$, $V=0$. The wavefunction ansatz one can propose for...
Asked on 07/30/2021 by Nick.25
1 answerHow approximation ought to be done always confuses me. Considering this problem in a textbook:Two massless sticks of length $2r$, each with a mass $m$ fixed at its middle, are...
Asked on 07/30/2021 by Shing
2 answerI need to do an experiment about the launch angle of a ball affecting its splash height. I have no idea if it's feasible or not, and I can't find...
Asked on 07/30/2021
2 answerMaybe I got it wrong and my question doesn't make sense, excuse me if that's the case. For a smooth Lorentz 4-manifold $(M, g)$ with signature $(- +...
Asked on 07/30/2021 by Joao Vitor
1 answerWhen current is applied, a conductor within a magnetic field feel a force. This is the Lorentz Force. I was thinking if it is then possible to apply as much...
Asked on 07/30/2021 by Vinicius Araujo Ritzmann
4 answerI really want to know that how does battery create a potential difference across the circuit. When we cross the battery from its negative terminal to positive terminal the potential...
Asked on 07/30/2021
2 answerI wonder how can the friction between a fluid and a wall in a cylindrical pipe can be calculated. Is there any theory that I can refer to? I also...
Asked on 07/30/2021 by Mathcho
1 answerWhat is the meaning of non-resonant production in the following context:They assumed a negligible primordial lepton number,or asymmetry, sothe neutrinos are produced non-resonantly. [1]I thought that this meant that...
Asked on 07/30/2021
1 answerRecently, I came across this interesting problem about billard balls. The question asks us to determine the height $h$...
Asked on 07/30/2021
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