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I'm taking a a first-quarter mechanics class at a university and we're currently covering Newton's laws of motion. The problems themselves are pretty similar to what I did in high...
Asked on 01/04/2022
1 answerIn electrostatics we have $$nabla cdot E = rho/varepsilon$$and using the divergence theorem we get $$int_{partialOmega} E cdot hat{n} dS = int_Omega rho/varepsilon dV.$$ This states that the electric...
Asked on 01/04/2022
1 answerA very different version of Bell's spaceship paradox hit upon my mind for which I cannot find a convincing solution: Two stationary spaceships are connected with a spring as shown...
Asked on 01/04/2022
2 answerThe lorentz transformation matrix (for all 3 spatial axes, not just a single dimension boost) appears to be commonly defined as the following:$$begin{bmatrix} gamma ...
Asked on 01/04/2022
1 answerFrom my textbook:General Relativity is the currently most complete theory of Gravitation,and should be used to describe physical systems each time one of thefollowing assumptions does not hold:Gravitational...
Asked on 01/04/2022
1 answerSo Anderson et al proposed a model to explain the production of Sub Auroral Ion Drifts. In the paper they talk about how the decrease in ionospheric...
Asked on 01/04/2022
2 answerI’m tackling physics recreationally from a pure math perspective. Right now I’m looking at just the outline of gauge theory. The Wikipedia article explains that gauge fields correspond to generators...
Asked on 01/04/2022
1 answerIs there any way to calculate the following from a möbius strip? (a) Electric Field :Given that the strip is an insulator and has localized charge uniformly distributed over its...
Asked on 01/04/2022
1 answerI noticed that coordinate systems $S,S'$ connected by a Lorentz transformation are depicted geometrically as having the same "origin event" $O$ in Minkowski spacetime. Is it correct then...
Asked on 01/04/2022
2 answerFrom what I understand of Lorentz surfaces (spacetimes of dimension 2), it seems that, according to Kulkarni's theorem, two reasonable enough Lorentz surfaces (I am only interested in...
Asked on 01/02/2022
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