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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 48,263
What are the ways (both natural and artificial) in which em radiation is generated? Here is one of the methods: We...
Aug5-08 08:38 AM
5 1,829
Hi, It is supposed a metal container hermetically closed and completely filled with water; the container is...
Aug5-08 07:01 AM
3 2,536
How is permittivity a function of frequency ? And how is permittivity a function of frequency in relation to the...
Aug4-08 09:59 PM
2 4,158
Does dew point temperature remain constant over altitude, pressure, and density? I have to admit that I am having...
Aug4-08 08:06 PM
5 2,657
Could someone explain all the reasons that balls made to bounce are spherical? Bouncing = collision, so I guess I mean...
Aug4-08 06:39 PM
2 917
I have this question: A particle of mass m moves under the influence of a central force; F = -grad (V) where V(r)...
Aug4-08 09:55 AM
0 3,881
It's been a while since I've been in science class and I was wondering if this was theoretically possible. It's so...
Aug4-08 04:03 AM
1 995
Hi Is there any connection between creativity and level of order? wikipedia - Creativity (or "creativeness")...
Aug3-08 01:42 PM
1 1,443
As it is known to all,the atmospheric electric field does exists.In fact,near the ground its strength is about...
Aug3-08 12:33 PM
1 952
hello, I'm new here =D dunno if this is the right section to ask this I'm really confused about power voltage and...
Aug3-08 12:24 PM
4 13,694
I'm trying to calculate the amount of force I will need to move a 9.6g object at an average speed of 450 feet/ second....
Aug3-08 02:52 AM
5 1,141
I always thought that an electrode is what transforms the mechanical energy of a generator into electrical energy. ...
Aug2-08 10:30 AM
2 7,671
Hello, I'm looking for some documentation on how to implement "open boundary conditions" into electromagnetic...
Aug2-08 02:50 AM
0 1,632
I'd like to calculate the energy required to move a 1000lb vehicle at 55mph for 1hr. I'm looking for a simple...
Aug1-08 11:27 PM
4 16,009
Let's say I have a field (electric or magnetic or something) and it's time-varying so I choose to represent its...
Aug1-08 05:32 PM
2 1,559
I have a doubt about electric flux. It is said to be the no. of field lines passing through a given area. But then...
Aug1-08 01:49 PM
4 1,085
I've been reading and studying from 'Engineering Mechanics - STATICS 5th edition' by Beford and Fowler and it says...
Aug1-08 12:21 AM
James R
3 6,642
At t = 0, Q0 = 18 C and I = 0 in an LC circuit. (a) At the first moment when the energy is shared equally by the...
Jul31-08 11:45 PM
1 2,414
when inertia can act as athe mass ,force and generate momentu, the why another word called mass moment of inertia. how...
Jul31-08 04:04 PM
11 13,766
After a while reading from the shadows, I have decided to emerge and ask a question or two. I was...
Jul31-08 07:51 AM
Andy Resnick
1 1,076
Hi All, A stupid question for sure (sorry). Does a moving ion, since it carries an electric field, creates some...
Jul31-08 04:31 AM
12 2,456
There is a 200 liter tank, well insulated. I first fill in 180 Liter of 50 Degree Celcious water, then slowly...
Jul30-08 11:05 PM
0 1,212
I'm trying to understand electrical potential and have a couple thought questions (Part A and part B) Part A Is...
Jul30-08 02:26 PM
Ben Niehoff
1 3,896
Easy question for those who know, I expect. It would help me understand though. Generally, wherever I look for...
Jul30-08 08:21 AM
2 1,074
Wikipedia says: "In a uniform gravitational field, the gravitational potential at a point is proportional to the...
Jul30-08 08:11 AM
0 1,573
Does anyone know the optical algorithms for calculating (or at least estimating) parallax and luminosity? So far I...
Jul30-08 08:10 AM
Andy Resnick
7 1,679
Hi, I was just wondering why the air going over a wing travels faster than the air going underneath? My teacher once...
Jul30-08 07:09 AM
3 5,105
hi there. I'm having some problems with Center Mass calculations... I have a CM moving at x axis with Vx, and it as...
Jul30-08 05:35 AM
2 998
Hello, After some persistent trouble, I finally succeeded in registering and logging in. Hurrah. I cannot often...
Jul29-08 05:44 AM
4 1,797
Hello. This is not a Physics homework problem, but rather a Programming project. I am asked to model a pendulum...
Jul29-08 02:18 AM
4 6,501
Hi All, I have a question and hopefully this is the right board for it. First let me explain that I am a...
Jul28-08 08:09 AM
Andy Resnick
2 2,682
I have a quad with electric start and a pull start (like a lawn mower). Can it be pull started after an emp? If not...
Jul28-08 02:01 AM
1 1,054
The figure shows a cuboidal shaped conductor inside which there is an ellipsoidal cavity. The center of the cavity is...
Jul27-08 11:02 PM
3 2,512
I have been having a lot of trouble finding classic works of physics and sciences online. Can't find anything by...
Jul27-08 02:11 PM
3 1,770
Ex:At home, you plug an electric drill into an electrical outlet and turn it on. At the moment you turn on the drill,...
Jul27-08 08:30 AM
1 1,436
Hi I tried to derive the distance traveled by a body at contact acceleration from the definition of acceleration...
Jul27-08 05:52 AM
2 22,044
I read on wikipedia that the E field obeys the superposition principle, meaning I can just add up the individual...
Jul26-08 04:31 PM
0 955
Could you please spot where is the fault in this reasoning? I suspect that some of the relations may not be applicable...
Jul26-08 06:06 AM
Vanadium 50
4 1,791
I hope someone can help with this - its been driving me mad for a while now! You will have noticed the shape coffee...
Jul25-08 01:12 PM
8 1,591
Hi, Suppose we apply an electric field E to a dielectric material. It is my understanding that the actual field...
Jul25-08 12:15 PM
Andy Resnick
4 1,336

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