Find answers to your questions about Physics or help others by answering their Physics questions.
Basically, I need to conceptually understand why the work a gas does is the integral $int p_mathrm{external}dv$ and is 0 when pressure external is 0. I understand why $mathrm{d}w =...
Asked on 07/21/2021 by Eric Thoma
4 answerTime runs relatively slower near a planet than in outer space. Does this mean that there is less energy near the planet? Is there a relationship between energy...
Asked on 07/21/2021
5 answerI am getting really tripped up by this exercise: You're given a non interacting gas of particles each having a mass m in a homogeneous gravitational field in a set...
Asked on 07/21/2021 by Andreas C
2 answerI have the following paper:https://arxiv.org/abs/1508.01213on the third page, where they take: $$chi_2(omega)= frac{-kgamma}{(omega-omega_0)^2+gamma^2},$$ I don't see how to explicitly compute $chi_1$. Can someone...
Asked on 07/21/2021 by MathematicalPhysicist
1 answerIn Goldstein's classical mechanics (3rd ed.) we read:"The independence of W12 on the particular path implies that the work done around such a closed circuit is zero,i.e....
Asked on 07/21/2021
2 answerIs it possible to scan a sacher diode laser in certain wavelength range? For example, when piezo offset is 0 volt, the wavelength of laser (read from a wave-meter) is...
Asked on 07/21/2021
1 answerFormation of shock waves are common phenomena in Physics. Defining the Mach number as $M=v/c_s$ , where $v$ is the fluid velocity and $c_s$ is the sound...
Asked on 07/21/2021
1 answerBackground I am considering a scalar field theory with $simphi^3$ interaction term, with Lagrangianbegin{equation}mathcal{L} = frac{1}{2}left( partial_muphiright)^2 - frac{m^2}{2}phi^2 - frac{eta}{3!}phi^3.tag{1}end{equation}In the interaction picture,...
Asked on 07/21/2021
1 answerWhen intuition fails: photons to the rescue!When experiments were performed to look at the effect of light amplitude and frequency, the following results were observed:The kinetic energy of photoelectrons...
Asked on 07/20/2021 by APerson
1 answerRefraction at an interface never causes a phase change—but a reflectioncan, depending on the indexes of refraction on the two sides of theinterfaceI have seen many answers why...
Asked on 07/20/2021 by Riyo
2 answerGet help from others!
Recent Answers
Recent Questions
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP