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I have no idea if this is the correct site to find an answer on this topic but considering it's a question of physical interactions I wanna give it a...
Asked on 12/30/2020 by Let's get physical
1 answerI don't know if "cube resistors" is the right way of putting it, but I am wondering if somebody could walk me through the general procedure for solving problems in...
Asked on 12/30/2020 by minzi
2 answer$S^+$ is a diagonal matrix in color space, and is given as : $S^+ = S_{rg} ^+ hat{P_{rg}} + S_b ^+ hat{P_b}, where, hat{P_b} = 1_c -...
Asked on 12/30/2020 by user263315
0 answeri just began to study special relavity, and i'd like to know if i made some mistake in one of the questions of the book i solved. the question is:If...
Asked on 12/30/2020
2 answerWhen torque is removed via the engine, what force makes the helicopter spin in the same direction as the rotors? I.e the opposite of torque reaction. What aerodynamic force would...
Asked on 12/30/2020 by Wes
1 answerI have a rather poor understanding of what a tensor is, but enough to apply it to the biggest part of the classical mechanics I'm studying.However, I've run into...
Asked on 12/30/2020
2 answerThe RKKY effective action applies 2nd order perturbation theory to the interaction of magnetic moments $vec I_n$ with conduction electrons $$H_{eS}= frac12 frac{J}{V} sum_{k,k'} vec I_n e^{i(k-k')r_n}c_{kalpha}^dagger vec...
Asked on 12/29/2020 by Dwagg
1 answerIn my life I hear/read this statement a lot:A non-linear equation or theory leads to self-interactions.For example in GR, we say that gravity can interact with itself...
Asked on 12/29/2020 by drandran12
2 answerMany optics books make the statement that the frequency shift of a laser beam from the acousto-optic effect can be thought of as a Doppler shift from a traveling index...
Asked on 12/29/2020 by EinsteinTheDog
0 answerI'm trying to assemble an array of LEDs to be configured as a solar simulator. I need to compare this array's output to the solar spectrum as a function of...
Asked on 12/29/2020 by Caroline van Bergen
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