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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
1 48,237
I always wondered why time wasn't more of an issue in thermodynamics. for example, if I have a metal at temperature...
Mar21-08 12:45 AM
17 3,267
hello everyone Consider extinction coefficient k, n becomes N=n-ik. the text book says NsinA=N'sinB still holds...
Mar20-08 10:28 PM
5 6,986
The Bernoulli Equation for non-uniform flows have a constant at the kinetic energy term which describes the velocity...
Mar20-08 02:47 PM
4 6,037
Ok so i have looked and looked for a simple way to under stand how to find drag using the coefficient of drag. the...
Mar20-08 01:34 PM
5 1,402
Are "direction of force" and "plane of application" valid concepts in mechanical physics, or are these terms I've made...
Mar20-08 01:17 AM
4 5,010
Let us charge a capacitor and disconnect it from the battery. Let the capacitance, charge and voltage of the...
Mar20-08 12:29 AM
5 1,184
Hi All! I was hoping you guys might be able to point me in the right direction... I'm after a online calculator...
Mar20-08 12:07 AM
2 10,643
Hello everyone, I am dealing with a tough problem. I place a pencil on the edge of a table and I hit it. I want it to...
Mar19-08 07:22 PM
15 2,082
Hello All, I have had some interest in the effects of rotating magnetic fields and was doing some research on the...
Mar19-08 06:05 PM
0 1,644
So, I believe I've got the math part down but, I'm having trouble understanding the theory. Can someone briefly...
Mar19-08 04:22 PM
2 2,888
Can some one kindly explain or give a reference link that explains why it happens what it happens in electric...
Mar19-08 04:10 PM
1 1,368
Hello all :) I'm doing some coursework on eddy current braking atm and I just need to clarify that I have the right...
Mar19-08 12:06 PM
0 1,948
Can anyone tell what the angle of heel means? (how to calculate it in a barge with a crane)
Mar19-08 08:58 AM
2 7,024
Surrounding the planets usually exists the various atmosphere. Due to this atmosphere, one light ray crossing the...
Mar19-08 08:10 AM
4 2,027
Hi All, I would like to know what makes a polarized capacitor to explode. Too much voltage? Tension in the wrong...
Mar19-08 06:22 AM
2 1,910
on the corridor floor the static friction is 2.2N, the dynamic friction is 1.4N when the corridor floor with water...
Mar19-08 05:32 AM
10 2,882
Hi everyone im very new here so please don' be too harsh with me :shy: I hope I posted this in the right section. If...
Mar19-08 03:20 AM
4 1,470
I'm just sort of looking for some clarification on some of this... 1) Say we have an ideal emf (battery, I...
Mar19-08 02:12 AM
4 1,494
I have a question about the deduction of First Thermodynamic Law. The book that I have is written by Paul A. Tipler...
Mar18-08 04:59 PM
3 3,719
I am trying to determine the speed of one vehicle involved in an accident. I know the speed of the other vehicle, and...
Mar18-08 09:33 AM
13 2,017
Dear all When I first learned about forces and motion I was taught F=ma in terms of apply a force to a mass and the...
Mar18-08 06:43 AM
50 5,904
I got into a discussion about heat sink materials and was beaten up for suggesting that Aluminum is better than Copper...
Mar17-08 09:15 PM
11 2,928
Using a Laze light and curtain far from it 50 m. It is supposed that A is a light centre when having no aberration...
Mar17-08 06:06 AM
4 1,042
It is clear that stronger or faster the wind, the more force it exerts on, let say, a house or anything. So, can we...
Mar17-08 05:21 AM
0 6,472
This is a followup to the old thread What are the FULL classical electrodynamic equations? which never really provided...
Mar17-08 04:49 AM
7 2,375
i was just stumbling across an accelerator patent that is 20 years from the filing date. linear accelerator / psw /...
Mar16-08 09:19 PM
0 1,126
I've got a great good head for intuiting physics but no post-2ndary math. How fast must a cylindrical space station...
Mar16-08 09:02 PM
61 8,652
Can anyone show me the calculus proof of the forces of gravity canceling out inside of a shell of mass? I couldn't...
Mar16-08 07:06 PM
0 2,197
For my physics practical coursework I investigated how the rate of revolution of the permanent magnet in an...
Mar16-08 06:31 AM
2 2,902
Hi, I'm working on some simple aerodynamics for a game. Are there any generic, but fairly accurate, formulas for...
Mar15-08 11:59 PM
4 8,464
hi m a new member here....actually i m in a great confusion....plz solve dis confusion fer me...its related to...
Mar15-08 11:41 AM
13 1,679
Hello everybody! I have a large set of items and, two-by-two, there exists some kind of attraction/repulsion that I...
Mar15-08 11:02 AM
3 911
As part of a local competition, i have to calculate the distance that a projectile launched at an angle from a certain...
Mar15-08 09:06 AM
3 901
Okay, so the situation is a hydro-electric plant, assumed to have a vertical inlet pipe, of (s) metres high, and a...
Mar15-08 06:57 AM
14 12,054
Why dont metal objects such as a nail get charged by friction like the famous comb, plastic rod or glass rod - all...
Mar15-08 06:29 AM
4 3,485
what's the force acting during stapling?
Mar15-08 01:53 AM
0 1,067
Hey I was just wondering what the differences between the three forms of mechanics were. I've only studied basic...
Mar15-08 12:53 AM
4 4,238
Why don't we call B magnetic field strength like we call E, the electrical counterpart. In stead we call it magnetic...
Mar14-08 11:19 PM
4 1,020
Hello. I have what I hope to be a simple question. It's something that I've come across in several problems in my...
Mar14-08 07:32 AM
4 3,564
I am working on using a Runge Kutta 4th order code (in the C programming language) to predict a Keplerian orbit in 2...
Mar13-08 06:17 PM
3 7,057

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