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Chapter 2 of the paper Symmetry of massive Rarita-Schwinger fields by T. Pilling mentions "the usual" spin projection operators. However, to me, they are...
Asked on 08/06/2021
0 answerQuestion: Which of the following affect the frequency of a tuning fork?Tine stiffnessTine lengthThe force with which it's struckDensity of the surrounding airTemperature of the surrounding airAnswer Attempt: Based on...
Asked on 08/06/2021 by YadaY
4 answerIV lines must be regularly ‘flushed’ to avoid infection and line occlusion. More turbulent flushing better removes any particles attached to a catheter wall, which decreases chances of complications. Which...
Asked on 08/06/2021
3 answerHello im trying to Compute the Cross section of an elastic Nucleon-Nucleon scattering and i don't know what to make of the following Lagrangian:begin{equation}mathcal{L}_{rho N N}=-g_{rho} bar{psi}...
Asked on 08/06/2021
0 answerThe formula for the electric field due to a charged sheet is $LARGEfrac{sigma}{2epsilon_0}$. Now, if I want to find the electric intensity of a point between two equally and...
Asked on 08/06/2021
2 answerAir molecule has $6$ degrees of freedoms: it can move up & down, left & right, front & back, rotate along $x$-axis, $y$-axis, $z$-axis. But I...
Asked on 08/06/2021
1 answerWhile watching this tutorial, Thermodynamic system is defined as a macroscopic region of the continuous medium, always formed by the same collection of continuous matter (material...
Asked on 08/06/2021
0 answerI need to know the s-wave resonances of the central potential $V(r)=-c^2(r+1/r)^2, cin Re$. Here we have a well attached to a barrier so we expect quantized quasibound/ metastable/...
Asked on 08/06/2021 by Z Ahmed
0 answerI am asking this regarding blackbody radiation. Water is not black, obviously. I read it is very lightly blue, but it is mostly transparent in liquid form so it probably...
Asked on 08/06/2021
1 answerThe Sun is a black (ish) body, so it must be emitting all of the kinds of radiation below visible, right into the VHF. But how much VHF radiation is...
Asked on 08/06/2021 by enigmaticPhysicist
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