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I'm reading a little pdf book as an introduction to tensor analysis ("Quick introduction to tensor analysis", by R. A. Sharipov). I've reached the last section where it is explained...
Asked on 07/18/2021 by Luke__
1 answerTo find out the electric field at the centre of the hemispherical shell, I considered an elemental strip to be a ring, calculated the electric field due to it and...
Asked on 07/18/2021
0 answerThe Berry connection and the Berry phase should be related. Now for a topological insulator (TI) (or to be more precise, for a quantum spin hall state, but I think...
Asked on 07/18/2021
0 answerWe have heard about the definition of a wave - disturbance in the matter or something. But can we think that light is a wave and so does it have...
Asked on 07/18/2021 by Prof. Meow
3 answerI was reading a blog post about the "physics of muay thai kickboxing" (https://heatrick.com/2013/10/13/the-science-of-muay-thai-lesson-1/) in which the author states that the main perspectives to consider here are...
Asked on 07/18/2021 by AnotherPerson
1 answerIf we take a lamp containing hydrogen gas and heat it up (gas-discharge lamp), it produces hydrogen's emission spectrum. Why doesn't it produce a blackbody spectrum? After all,...
Asked on 07/18/2021
4 answerSay I'm 100 kg and hanging off a pullup bar for 10s. The force-time integral over that period would be FTI = 9.81 kNs But do I apply an impulse?...
Asked on 07/18/2021 by user1323995
1 answerWhat is the difference between the two phenomena, photovoltaic and photogalvanic effect? I can't find any difference between them. Both are generation of current when a material is illuminated with...
Asked on 07/18/2021
0 answerIf lower gear generates more torque (compared to higher gear) at the wheel, that would presumably mean the wheels can exert more force on the floor to propel the car...
Asked on 07/18/2021
2 answerA simple harmonic wave in one-dimension (for simplicity) $y(x,t)=Asin(omega t-kx)$ in a medium is often presented as an example of a travelling wave. But such a plane wave is infinitely...
Asked on 07/18/2021
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