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Classical Physics

- Principles developed before the rise of relativity and quantum mechanics. Mechanics, Electrodynamics, Thermodynamics, Optics...
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Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. Again, for some odd reason, people...
Apr22-11 05:26 AM
ZapperZ
1 48,174
In the physics section there is doubt, that a mathematician would object to deriving something by dividing an equation...
T 08:54 PM
DaleSpam
24 376
Is there a mathematical relation for the temperature change when a fluid flows through a pipe from one end to another?...
T 08:37 PM
Jay_
160 10,835
I attached an image of two expansion cases I am analyzing. Both cases involve an insulated cylinder that is divided by...
T 07:23 PM
pyroknife
34 268
I'm currently going over some mechanics notes and am confused about the following situation: In the book I'm...
T 06:06 PM
voko
10 118
Hey all, I just started a fluid mechanics class and I'm having trouble interpreting the physical meaning behind...
T 04:30 PM
SteamKing
4 86
Having recently completed a session on the simple pendulum in physics, I was curious as to what the solution to...
T 02:39 PM
voko
4 127
If a metallic ball is place under a giant hollow top, and the top starts to rotate. Along with the top, the metallic...
T 02:00 PM
mfb
1 64
There's this graphic of space (s) versus time (t) of a particle. How would I know if the trajectory is always...
T 11:50 AM
voko
3 63
A lot of textbooks and exam boards claim that light incident at exactly the critical angle is transmitted along the...
T 10:31 AM
Murtuza Tipu
2 89
Basically the symbols like force f and d/dt (mv) for these subjects. Physics Geometry Calculus Astronomy...
T 09:05 AM
ChrisVer
6 163
Quantity of heat (Q) is directly proportional to specific heat (C)? I thought that they would be inversely...
T 07:22 AM
fabrc
2 103
Why volume charge density arises because of only a non-uniform polarization inside a dielectric?
T 06:57 AM
Maharshi Roy
0 76
I was wondering how speed, velocity, acceleration and anything with a \Delta t in the denominator are defined at...
Y 11:50 PM
ChrisVer
2 127
Hello, I stumbled upon this question and I don't know how to answer it... I know that Cv is defined as Cv =...
Y 10:16 PM
Andrew Mason
6 130
Do you guys know of any physics experiment that I can do in my house? Please reply soon thanks.
Y 06:00 PM
Simon = Mc2
2 121
How do I know which one of these two spheres have more specific heat capacity?
Y 04:17 PM
gsal
2 156
http://3.bp.blogspot.com/-d-P219mnzkM/VA7NfcUiroI/AAAAAAAAB9g/q_NJrbt4UfM/s1600/CIMG3315.JPG 300 km/s respect to...
Y 03:29 PM
HallsofIvy
1 96
I have a simple question let's say object hits the wall at angle and reflect. Will reaction force from that impact...
Y 02:56 PM
DaleSpam
4 134
Hi guys something basic that I cant understand: if I have a wind turbine , rotating due to some wind with no...
Y 03:02 AM
R.G
4 174
Hey, I'm doing a research on artificial satellites, and I'm really confused about the escape velocity required for an...
Y 12:04 AM
Murtuza Tipu
12 325
http://www.youtube.com/watch?v=ltnLOka-CBo I have been using this skill for a few months now and I feel like it is...
Sep12-14 08:59 PM
bothan
10 404
So I understand that a black body is a diffuse emitter, and that it radiates energy at a rate of σT^4. I also...
Sep12-14 07:44 PM
elegysix
1 191
Hi PF community! I'm currently doing a research paper on artificial satellites, and I've made a list of things that...
Sep12-14 06:48 PM
Crutchlow13
6 188
During summer my swimming pool is 23° C and my loft air is 53° C. (73° F / 127° F) The sun shines on the metal...
Sep12-14 06:02 PM
Sten Larsen
24 615
Hi, I invented a new type of arrow stabilizer. It is an aerodynamic turbine that makes the arrow to be stabilized...
Sep12-14 11:34 AM
cjl
15 295
Case 1. You have a sphere with Radius R and middle point X with the charge Q. The charge is equally distributed over...
Sep12-14 09:48 AM
vanhees71
1 133
I'm taking E & M II... Would anyone agree that the following statements are true? An electric field changing in...
Sep12-14 06:47 AM
Shyan
5 181
Okay guys, I still feel like I don't quite understand these concepts well enough. Do you guys have any websites or...
Sep12-14 02:33 AM
Nugatory
1 165
Hi! I try to get some intuitive understanding on the equipartition theorem stating that in thermal equilibrium,...
Sep12-14 01:55 AM
center o bass
2 179
If fan blades move in a circular way how is the air moving towards you (in front of fan) ? Also propeller and fan...
Sep12-14 01:52 AM
A.T.
5 187
In the attached figure, a de-energizing RL circuit is drawn (left switch is opened while right switch is closed). In...
Sep11-14 07:44 PM
gsal
1 162
Hello everyone. I've been struggling with how to deal or solve questions that include variable masses. Considering...
Sep11-14 04:59 PM
Nugatory
6 199
I'm wondering if someone is observing a situation from a frame moving in a uniform circular motion, would that frame...
Sep11-14 09:09 AM
Nugatory
8 348
Hi, The permanent gases like Nitrogen, Helium etc. have more specific heat capacity as liquid than their gases....
Sep11-14 05:44 AM
AbhiNature
0 137
I'm looking for a "simple" calculator, most likely a matrix based thing, to allow me to work out the size of an image...
Sep10-14 06:47 PM
Andy Resnick
1 124
I do not really understand the big picture of gauss law. For what I know a conductor is a material where electrons can...
Sep10-14 05:38 PM
TrueColor
2 235
Trying to get my head around some ideas about "rechargeable" batteries and getting in a muddle! So I get the idea...
Sep10-14 02:50 PM
DeltaČ
4 179
There is a conducting circular loop with resistance R falling in the magnetic field ...
Sep10-14 10:43 AM
Shyan
4 301
Imagine an electromagnet with two pole faces, one flat (N) and one pointed (S). If you put a diamagnet in between...
Sep9-14 09:33 PM
Meir Achuz
7 241
Is it possible to generate energy from the earth's rotation? Imagine a Foucault Pendulum attached to a dynamo shaft? ...
Sep9-14 06:23 PM
jbriggs444
46 1,265

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