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I think we've all experienced this effect. You turn on the shower and the stream of water at the shower head is a fair bit hotter than the water towards...
Asked on 01/03/2021
2 answerSuppose a particle with a gaussian wavefunction moves to begin with towards a position detector screen. How do we obtain the 'Time of arrival' distribution, when time can't be an...
Asked on 01/03/2021 by BIGFATNIH
5 answerCherenkov radiation is electromagnetic radiation emitted when a charged particle passes through a dielectric medium at a speed greater than the phase velocity of light in that...
Asked on 01/03/2021 by Andrei Geanta
2 answerSolving the Schrödinger equation gives a wave function for each electron in an atom of any element. The wave functions under the atom can be squared to yield probability distribution...
Asked on 01/03/2021
1 answerI have been studying the effects of massive gravitons on the emblackening factor $f(r)$; i.e., given a Reissner-Nordstrom AdS geometry $$ds^2=L^2 left(frac{dr^2}{f(r)r^2}+frac{-f(r)dt^2+dx^2+dy^2}{r^2} right)quad(textrm{Eqn. } 1) $$and...
Asked on 01/03/2021 by Joshuah Heath
0 answerWhy are electromagnetic fields zero inside perfect conductors? I do not understand why we can make these assumptions in electrodynamics.SOLUTION: Firstly, we are going to analize the electric field....
Asked on 01/03/2021
1 answerI've taken two photos of a metal in an experimental setup. ...
Asked on 01/03/2021 by akuzminykh
2 answerMy rudimentary understanding of dark energy as the cosmological constant is that the vacuum state of space has positive energy but negative/repulsive gravity/pressure. Given a system dominated by "positive" gravity...
Asked on 01/03/2021 by J Kusin
1 answerI am struggling with trying to solve the following problem, attempting just (a) and the first part of (b) for this exercise:During a reversible adiabatic volume change of an ideal...
Asked on 01/03/2021
2 answerIt was nighttime. I was flying on an airplane. As we were landing we passed over a highway. I saw cars below with their headlights on. I could see that...
Asked on 01/03/2021 by iamsad
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