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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
1 41,839
Hello Forum, I have read an old, but good, thread about torque free rotation: ...
Apr21-14 09:58 PM
Simon Bridge
1 112
Hello, who can suggest me a book, or a PDF where i can find an introduction to Liouvillian operator in statistical...
Apr21-14 05:35 PM
1 170
The title is enough
Apr21-14 05:29 PM
27 515
I see some papers mentioning the fluctuating hydrodynamics, which originates from the Landau-Lifshitz Navier-Stokes...
Apr21-14 12:39 PM
1 434
While playing around with some laser diodes I have at home ~(405, 550, 650 nm) I have noticed that the refracted...
Apr21-14 11:44 AM
10 7,505
Hello, I`m a bit confused about PV work. Here is the situation I am facing. δw = P dV and dw = F dx δw is...
Apr21-14 09:59 AM
61 1,233
Are there any good books to understand the BBKGY equations of kinetic theory?
Apr21-14 02:47 AM
5 192
suppose the white light is incedent on a red glass. Behind the glass we see only red light and glass gets warmer. ...
Apr20-14 10:40 PM
3 151
I want to estimate how long it will take a person (I could specify their dimensions and density :P but maybe just take...
Apr20-14 07:40 PM
3 153
How do you use the virial theorem to derive the van der Waals equation of state?
Apr20-14 01:17 PM
2 147
If someone were to send a probe out to interstellar space, bring it to a full stop and start rotating, would it...
Apr20-14 12:29 PM
6 215
Hi I have been looking for some simple equations that describe the turning moments on the rotor as wind direction...
Apr20-14 05:21 AM
2 117
What's the original definition of Ohm, ampere, volt and coulomb, And which unit was defined according to the other...
Apr20-14 04:00 AM
16 334
I am reading about the Asimov pendulum (see figure) The aceleration in spherical coordinates is ##\vec{a} =( R...
Apr20-14 01:39 AM
Simon Bridge
1 151
From the result of an experiment it seems to be that suction does indeed cause a force that causes a vacuum to move...
Apr19-14 02:51 PM
9 337
Looking for a way to increase magnetic forces in electrical devices, an option is reduce the air gap, but some times...
Apr18-14 09:04 PM
Simon Bridge
5 176
Helloo, I don't understand how one arrives at the conclusion that the hamiltonian is a generating function. When...
Apr18-14 08:27 PM
4 186
Hey guys, It has been a while since I've done anything to do with magnetism and was wondering if I covered one side...
Apr18-14 06:33 PM
1 127
If you'll allow me to disregard the effects of Strong Interaction, how would I calculate the Electromagnetic Force...
Apr18-14 04:12 PM
4 176
Since Lagrangian is a function of q, q dot & time, then why in describing the Hamiltonian (H), L does not involve time...
Apr18-14 01:57 PM
7 261
I'm having a hard time understanding air flow caused by pressure differentials. Given the following contextual image,...
Apr18-14 06:54 AM
13 238
I hope this is the right place to ask this. It is an experiment question. I have a 785 nm laser and a 1550 nm laser...
Apr18-14 04:38 AM
4 156
Hi, all. Here is an expression about kinetic energy from analytical dynamics of Haim Baruh which confuses me. ...
Apr17-14 04:09 PM
4 182
Hi, all there are equation in the pic but I cant understand them. I know work-energy principle which is W= F * X...
Apr17-14 04:03 PM
2 163
Hi, I have a 1m long, 10mm ID vertical tube attached to a vacuum system. I have a known flow rate of the air down...
Apr17-14 12:21 PM
1 115
Here is an excerpt from my textbook: "Ordinarily, this charge would simultaneously generate so large an electric...
Apr17-14 11:23 AM
2 141
I get that by getting a charged object near an uncharged one, charges of the opposite sign are induced on the surface,...
Apr17-14 11:09 AM
Philip Wood
3 188
Since 2 splitted beams meet at ONE spot later on, we have just one beam which flows to the detector, therefore I...
Apr17-14 10:24 AM
6 162
Hello experts! I was taking class of optical fiber and communication. My teacher was teaching the class via...
Apr17-14 09:29 AM
7 182
From my understanding, normal and anomalous dispersion are because the phase velocity is a function of k so it is...
Apr17-14 08:04 AM
2 104
From this figure we could see the axis of rotation of wheel is y axis and it's translational motion is along x axis ...
Apr17-14 07:32 AM
5 178
Hi. Btw: I haven't studied statistical physics yet, but I have studied the introductory course on thermodynamics. ...
Apr17-14 07:11 AM
0 110
Hello, I need data (articles and books) about what connection there is between the speed (or the power) of a...
Apr16-14 09:16 PM
4 226
Suppose we have a planet of mass m orbiting a larger one of mass M along an elliptical path. If we use polar...
Apr16-14 06:17 PM
0 154
So, let's say a spacecraft at a large distance from any star needs to dump a tremendous amount of stored electrical...
Apr16-14 03:08 PM
3 177
sir in the graphs of electric field due to binary charge configuration why some curves are below x axis and some...
Apr16-14 12:53 PM
3 110
Hi I am kind of Confused about an example in work done: It says that a man applies 250 N parallel to the slope to...
Apr16-14 06:30 AM
Doc Al
3 251
Is it possible to send enough light down a fibre optic cable to produce say 1000 Lumens? How would I go about...
Apr16-14 02:14 AM
6 147
Does a shock wave have a finite value that can be shared within a system? For example, if I explode a some...
Apr16-14 01:08 AM
Simon Bridge
1 120 Assume that the arbitrary-shape object shown has a...
Apr15-14 09:41 PM
6 145

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