Movatterモバイル変換


[0]ホーム

URL:


Sorry, we no longer support your browser
Please upgrade toMicrosoft Edge,Google Chrome, orFirefox. Learn more about ourbrowser support.
Skip to main content

Stack Exchange Network

Stack Exchange network consists of 183 Q&A communities includingStack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
Loading…
Physics

Questions tagged [energy]

Ask Question

Energy is the conserved quantity associated to time-translation invariance and represents the work a system is capable of doing. Use this tag for questions about energy, and consider adding the [energy-conservation] tag if it is specifically about its conservation.

7,573 questions
Filter by
Sorted by
Tagged with
-4votes
0answers
43views

After reading Noether's theoram and many other examples like objects tendency to follow its geodesics in spacetime makes conserved quantities like momentum etc meaningful so , are energy and momentum ...
0votes
0answers
29views

Is there any practical significance of the convention of potential energy of a magnetic dipole in an uniform magnetic field?Suppose, in a vacuum, a magnetic field runs in the $y$ direction. Now we ...
0votes
1answer
76views

IntroductionI've been doing some research on this topic and I want to:Confirm my findingsAnswer some lingering questionsPremiseImagine we could magically / instantly create a void in the ...
-7votes
0answers
78views

I was pondering the nature of momentum conservation in non-ideal systems and noticed a beautiful, continuous functional/mathematical chain linking potential energy all the way to momentum. It frames ...
2votes
2answers
190views

I am currently reflecting a bit on the formal structure of the theory presented in Callen's classic text Thermodynamics and an Introduction to Thermostatistics. I was originally going to post a more ...
Anna's user avatar
  • 1,253
-3votes
0answers
48views

A 1380-kg block of granite is dragged up an incline at a constant speed of 1.34 m/s by a steam winch (Fig. 11-32). The coefficient of kinetic friction between the block and the incline is0.41. How ...
6votes
2answers
1kviews

The thought experiment:Two spaceships are passing each other some distance from a star. Both ships are at relativistic speed, one toward and one away from the star. Should the total energy observed ...
2votes
1answer
194views

I understand that solar panels generate electricity by converting photons from sunlight. This made me wonder whether it would be possible to use other types of cosmic radiation, such as muons, to ...
2votes
0answers
68views

It is a general principle in modern physics that there is no true zero point for energy. A system's energy states can be listed from higher to lower, and one can be assigned "0" by arbitrary ...
RC_23's user avatar
  • 13.3k
0votes
1answer
108views

In the proof of spontaneity criterion in constant pressure and temperature, the steps are:$$\Delta S_{system} - \frac{\Delta Q_{rev}}{T}=0 $$and$$\Delta Q_{rev} > \Delta Q_{irrev}$$So, we may ...
0votes
1answer
71views

My Question stems from the following problem:Consider two resting Point Masses, each with mass $m$, which are connected (the connection having no mass). A Force $F$, which is always perpendicular to ...
-3votes
0answers
81views

“If mass and energy are equivalent, and black holes evaporate by losing energy via Hawking radiation, does that mean singularities never actually form — that they’re replaced by ultra-dense, finite ...
1vote
1answer
89views

I'm working through Susskind's Classical Mechanics book and I reached the point where he explains how to transform the action (and Lagrangian) when changing reference frames. However, I believe there ...
2votes
0answers
115views

Energy should enter the chemical potential as:$$\mu N = U - TS + pV\;,$$that is, with a positive sign. That means that if I add a potential (energy per particle) of $\phi$, then the energy should ...
0votes
1answer
88views

Consider a quantum particle quantum-tunnelling through a potential barrier.The energy conservation is explained in two ways:Some sources mention that the particle just borrows energy from quantum ...

153050per page
1
2345
505

Hot Network Questions

more hot questions
Newest energy questions feed

[8]ページ先頭

©2009-2025 Movatter.jp