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Einstein and others have thought about VSL theories. But I am unable to understand how VSL theories can be consistent, for the following reasons: Don't we need some mechanism (like...
Asked on 08/31/2021
0 answerSuppose that a solid cone is placed horizontally on an inclined surface and is initially at rest. How will the cone move when it starts motion due to its weight?I...
Asked on 08/31/2021 by AMM
2 answerIt is commonly known that the eigenstates to the Hamiltonian of a constant potential are plane waves, aka $$V(r) = V_0 Rightarrow Hpsi = n text{ with }...
Asked on 08/31/2021 by Robin Dorstijn
2 answerThis post claims that there is no real photon (particle) with a plane wave solution well-defined momentum state). It makes sense somehow to me. I can think of several...
Asked on 08/30/2021
2 answerWe know that voltage/potential difference is the amount of work done or energy released by the battery/cell for transferring a unit charge for higher potential to lower potential. Now, when...
Asked on 08/30/2021
3 answerI am looking for the correct Nusselt Equation to calculate the heat transfer coefficient for a rectangular fin acted upon by air with a certain speed...
Asked on 08/30/2021
0 answerMy confusion is about the different Hilbert spaces we meet in QFT. In a first introduction to QFT, the Hilbert space is often taken to consist of wavefunctionals on classical...
Asked on 08/30/2021
4 answerSummary: at relativistic speeds, if you compute a planet's relative distance using angular diameter (roughly proportional to 1/angular diameter), will that computed distance increase or decrease linearly, assuming you are...
Asked on 08/30/2021 by user854
2 answerHave LIGO and VIRGO recorded enough gravity wave events to cross-check the black hole populations predicted by astrophysics and cosmology? Basically, we now have another experimental tool to verify the...
Asked on 08/30/2021 by KevinM
1 answerConsider a general problem of a rigid sphere having only rotational motion placed on a rough surface where it starts rolling after some time. And final velocity is asked. Friction...
Asked on 08/30/2021
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