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Classical Physics

- Principles developed before the rise of relativity and quantum mechanics. Mechanics, Electrodynamics, Thermodynamics, Optics...
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Before posting anything, please review the Physics Forums Global Guidelines. Again, for some odd reason, people...
Apr22-11 05:26 AM
ZapperZ
1 41,690
does a high dryness fraction mean that the steam is dry or wet?
Nov27-07 09:52 AM
bill nye scienceguy!
4 18,033
I am having trouble going about proving the Lorentz invariance and non-Galilean invariance of Maxwell's equations. ...
Nov27-07 03:13 AM
Mentz114
4 9,222
What properties would an ideal ("perfect") diamagnet necessarilly* have? (*as in in, implied by definition.) This...
Nov26-07 07:51 PM
olgranpappy
5 3,764
can we make any particle to move in cycloidal path due to electric field produced using static charges. explain pls
Nov26-07 07:23 PM
i_island0
0 2,275
Gauss's law may be used to derive Coulomb's law. I've never seen it done the other way around. Is this possible? ...
Nov26-07 11:53 AM
neutrino
2 3,495
how will be the dispersion pattern of a ray coming parallel to the base of a glass prism completely dipped in...
Nov26-07 08:50 AM
pardesi
0 855
here's the situation one ball with mass m1 and velocity v1 collides with second ball with mass m2 and 0 velocity. ...
Nov26-07 02:39 AM
D H
3 2,013
My textbook says the following: "If the center of mass of the system is not accelerating relative to an inertial...
Nov25-07 05:26 AM
arildno
2 2,359
Hi, From what I understand the proof of Gauss' law applies only to finite surfaces. Can anyone give an example of a...
Nov24-07 08:12 PM
JustinLevy
1 1,912
I got this question in Resnick Eisberg: Pockets formed in a coal fire seem brighter than the coals themslves.Is the...
Nov24-07 05:38 PM
TVP45
7 2,055
For a wheel in pure roll, or smooth rolling motion, with constant angular velocity, \omega, the velocity of the point...
Nov24-07 11:23 AM
i_island0
10 1,628
May be this should have been in math section but since this came out while studying Electrodynamics i put it here we...
Nov23-07 10:38 PM
captphoton
3 1,060
Hiya , The commonly held view is that speed of sound (SoS) in a gas depends on temperature and not pressure. I want...
Nov23-07 10:25 PM
mgb_phys
1 1,221
The flux rule states that the emf induced in any loop is given by the rate of change of magnetic flux through that...
Nov23-07 12:02 PM
lugita15
0 1,190
The relation I= \sigma \ T^4 is exact for blackbodies and holds for all temperatures.Why is this relation not used as...
Nov23-07 08:01 AM
Vazier
1 3,656
I am sorry it was a repost.I ask the moderator to close the thread.
Nov23-07 07:14 AM
neelakash
0 1,435
Sorry for misconception. Why the mirror deflects light was the question? Because of the electronic configuration and...
Nov23-07 03:36 AM
Kristy234
10 1,869
How can I figure the pressure in a 80 cubic inch tank at 0 psi being refilled with a 8000 cubic inch tank with a...
Nov22-07 01:30 PM
brewnog
1 3,037
The number of degrees of freedom for a massless rod moving freely in space with a particle which is constrained to...
Nov22-07 06:22 AM
Doc Al
1 2,210
in the newtons second law of motion we study "F=ma" letters having their usual meanings. so if any object say"A"...
Nov22-07 03:36 AM
otg
4 1,355
Hi there There seems to be a few related posts on this topic but I can't make sense of them. In the integral...
Nov21-07 09:02 PM
lugita15
5 1,668
There is a problem in biomechanics that relates to a human runnerís gait (1) and how much power they consume. At each...
Nov21-07 08:08 PM
tedjan
0 2,686
I'm trying to determine the wavelength of a particular situation. I'm given the refractive index of the metal and the...
Nov21-07 11:02 AM
DaleSpam
1 3,860
Does anybody know of a way to derive the inertia tensor using group theory?
Nov21-07 10:24 AM
La Guinee
0 1,447
So i have a problem with a question in which there is a falling raindrop where the mass and the radius are...
Nov21-07 08:23 AM
stewartcs
3 2,776
I remember in 8th grade I was sick the day my class did this, and no one I talk to seems to remember how it was done...
Nov20-07 08:29 PM
misstorea
12 6,896
Hey, guys. Thanks for reading this. I have to present some interesting angular acceleration problem in my physics...
Nov20-07 07:53 PM
Anticitizen
3 1,144
Hello, Is there a formula to convert a certain radio frequency to temperature? Thanks.
Nov20-07 07:07 AM
DaleSpam
3 6,266
suppose a certain process is carried out on a system which say heats up the system the how do we decide that that's...
Nov20-07 05:41 AM
Doc Al
5 2,327
This is a standard fuzzy dice problem, hung in a car, at angle, theta, and I have to find the acceleration of the car....
Nov19-07 08:04 PM
physicsrules
9 3,193
My first posting, so apologies if this is in any way inappropriate to the forum/section. I am asking here for some...
Nov19-07 12:19 PM
DaleSpam
11 6,616
hi there, i've read books and some web sites and i'm wondering this electric charge? Is it something physical...
Nov19-07 08:35 AM
richard14
3 1,557
Ok, propably everyone here knows that IN THEORY it is possible for a human to fly. This question has been bugging me a...
Nov19-07 12:04 AM
Joppe
9 2,211
what is the difference between moment of inertia and moment inertia tensor?
Nov18-07 10:47 PM
waht
1 2,240
Hi Guys and Girls Take note that Im not sure if Waves or Oscillation, is the right word to use about this Physics...
Nov18-07 08:05 PM
marcusl
3 1,369
OK... Please consider that picture in the following link ...
Nov18-07 07:24 AM
Doc Al
2 7,253
in an closed organ pipe why don'e we consider the interfereence of the once reflected wave(from closed end) and the...
Nov18-07 12:32 AM
pardesi
0 3,034
i saw the 'proof' of the wave equation for a sound wave in a medium assuming the wave equation for a dissplacement...
Nov17-07 09:49 PM
pardesi
0 9,639
When the source is moving with respect to the observer, the emitted wave undergoes this well-known frequency shift...
Nov17-07 05:05 PM
monade
2 1,415
I know that the net work = the change in kinetic energy, delta KE. But what if the object has both the potential...
Nov17-07 04:21 PM
MIA6
7 2,319

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