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Suppose the case that someone in future makes a time machine which can be used to time travel in past. Now s/he can accurately measure momentum of a particle without...
Asked on 08/09/2021 by 1147
5 answerFirst of all, I don't really believe that humans are special. So I know the answer must be that they are not. But the way quantum mechanics is described is...
Asked on 08/09/2021
2 answerThere is a question in my textbook: Below show the structure of a bicycle alternator: And the output terminal is...
Asked on 08/09/2021 by yuan lai
0 answerDarmstadtium aparently has two possible eletronic configuration via Aufbau Principle: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s¹ 5f¹⁴ 6d⁹ but for...
Asked on 08/09/2021
0 answerA Brief Explanation of the Issue A common problem type for vector calculus students or introductory physics/engineering students is tension problems. For instance, if a mass of $10$ kg...
Asked on 08/09/2021 by mathematics2x2life
3 answerIn the Mechanics of deformable solids, and specifically in the Theory of Elasticity, the following mathematical relation is known: $$ 2 cdot frac{partial^2 epsilon_{12}}{partial x_{1} partial x_{2}} = frac{partial^2...
Asked on 08/09/2021 by Programar
1 answerI am reading through Elvang and Huang's treatment of polarization vectors for all outgoing spin-1 massless particles (metric signature $(-,+,+,+)$). It is given in Eq. (2.50)...
Asked on 08/09/2021
0 answerThere are many disagreements of convention between mathematicians and physicists, but a recurring theme seems to be that physicists tend to insert unnecessary factors of $i = sqrt{-1}$ into...
Asked on 08/09/2021
2 answerI am stuck with a problem in expanding the velocity gradient part of the Vlasov equation in cylindrical basis. It is also applicable to the spatial gradient part as well....
Asked on 08/09/2021 by Sayan Kundu
0 answerBooks often says that we can use gyroscope to see if we are in a rotational reference frame.I would like to know how do we use it and...
Asked on 08/09/2021
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