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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 47,884
Point charges w/velocity have a magnetic field. How does an uncharged capacitor slow the point charges to zero...
May31-08 05:10 PM
pzlded
3 1,998
I'm working on a simulation for ballistics, and I am in dire need of some help with elasticity. It is primarily to be...
May31-08 06:39 AM
tuoni
0 1,565
Well hello there! :D I'm doing a project on graphical simulation of a bullet hitting a glass plate, and I have some...
May30-08 07:40 PM
zoltaaaan
2 1,226
Is there anyway of measuring the potential difference between 2 points on a electrical circuit other than using a...
May30-08 07:32 PM
f95toli
7 3,808
I am wanting to accurately calculate the top speed of a car (using it's power, mass, drag, and friction). I started...
May30-08 06:20 PM
rcgldr
3 15,132
Someone repeated the Cavendish experiment at about 0 K? My question: the gravity force is costant when mass is near...
May30-08 04:43 PM
D H
9 2,024
Hi Guys, I've attached 2 pages from the book of landau "The Classical Theory of fields", I have a question about...
May30-08 07:13 AM
orubi
2 1,443
Hi, i have visited the forum for an explanation in cuantum theories (curious) and now i need other help. In my...
May30-08 03:30 AM
pzlded
4 1,269
How much heat is absorbed in changing 2-kg of ice at -5°C to steam at 110.0°C? The Specific heats of ice, liquid...
May29-08 03:58 PM
russ_watters
1 1,050
I am trying to derive the formula for E.m.f across the ends of a rod rotating in a magnetic field when the field is...
May29-08 02:43 PM
mukundpa
2 3,872
Hi, I've just gone through a derivation and would like some confirmation that my reasoning is correct: Say the...
May28-08 09:19 PM
jbunten
4 35,465
I have a vector v = a i +bxj Now I want to find a.So I apply chain rule and differentiate dv/dx * dx/dt = bj * Vx =...
May28-08 07:56 PM
jbunten
9 1,443
Could everyone tell me how to calculate YAG/Al2O3 crystal saturating vaporization pressure? P=P*exp(-delt(H)/RT),but...
May27-08 08:01 PM
gggarnet
0 1,194
I started working on statistical physics for only a few days and it maybe quiet elemantary, how can i write the...
May27-08 02:12 PM
torehan
0 1,791
Hi. I understand that Zernike was a physicist and that he did some work in optics, and am also aware of the Zernike...
May27-08 08:57 AM
Andy Resnick
1 1,190
If I use a narrow slit (e.g. two fingers) to view a distant streetlight, I can see an interference pattern parallel to...
May27-08 08:54 AM
Andy Resnick
18 3,030
Can anyone tell me if Internal\ Energy + Pressure * Volume equals heat, total energy, energy in transit? What if...
May27-08 02:38 AM
jimRH9
8 7,584
Suppose we have a ball made of linear dielectric with permittivity \epsilon, with some initial homogenous polarization...
May27-08 01:15 AM
Euclid
1 1,650
Hey all, I was wondering about a varied version of something. I know that if you run a magnet up and down a tightly...
May27-08 12:27 AM
thedeepblue
3 5,370
How do I work out the rate of heat transfer between different states of matter? Say for example I wanted to calculate...
May26-08 10:23 PM
Mapes
3 2,693
My thinking must be faulty somewhere, but I can't work out whats gonig on... The equation Tds = du + pdv and ...
May26-08 04:48 PM
Mapes
2 1,589
I was wondering how to do the math for a bullet hitting some body armor. Would you just divide the original force...
May26-08 01:23 PM
rockerdoctor
2 1,383
Hello forum friends, I have stumbled upon the fallowing heat conduction problem: Consider a heat source of...
May26-08 12:13 PM
Yoni
4 1,685
Hi guys I have some questions about electrostatics, and I hope you can help me. Here they are: 1) Please take a...
May26-08 06:41 AM
Doc Al
9 4,313
Hey I am trying to figure out how to use the right hand rule when magnetic force points downward. I comprehend what...
May25-08 11:16 PM
Col.Buendia
9 3,161
Hi, this question might seem really basic but I can't seem to wrap my head around it. For a DC generator (like the...
May25-08 06:48 PM
cabraham
15 4,030
I am trying to include salt water in my Rube Goldberg project. Instead of the wires that connect a motor simply being...
May25-08 04:47 PM
MadScientist 1000
1 1,199
I recently ran across an experiment which I needed to explain because it appeared to violate energy conservation. ...
May25-08 03:17 PM
benjum
0 3,188
Flux = Int B dA Why isn't this written as a double integral when we antidifferentiate over an areal?
May24-08 06:38 AM
Doc Al
2 1,970
A few friends and I built a wave "machine." It's made by laying out brass "rods" about a foot long next to each other...
May23-08 08:49 PM
bfr
3 5,075
Take a look at this little web-progarm...
May23-08 07:32 PM
Shooting Star
5 34,429
I'm trying to write a Library entry on Reaction Force, and I've discovered I can't answer this very simple question....
May23-08 06:05 PM
DavidWhitbeck
3 1,667
I know how to compute it and how to use it in equations. I do not understand what is physically happening however....
May23-08 03:35 AM
dipstik
28 5,292
hi, im just assumin this is the right place for bernoulli stuff pressure 1 and 2 are both static pressures, and the...
May22-08 09:33 PM
russ_watters
6 1,679
Hello, i would like to simulate an ideal gas flow in a cube...the cube consists of small cubes lined next to each...
May22-08 04:35 PM
Lojzek
7 4,652
Hello. I'm having a bit of a problem. I need to calculate a change in rotational velocity on a rigid object given a...
May22-08 02:26 PM
Hootenanny
4 6,173
We have the left-hand (motor) rule. We know exactly what happens when we run a current in a magnetic field. Its...
May22-08 10:02 AM
Shooting Star
3 1,946
I am a coach for athletes in various sports and have a problem that I can't figure out, but I'm hoping will be easy...
May22-08 08:31 AM
Redbelly98
16 18,837
Do the molecules of a gas move randomly when they aren't colliding, or is it only when they have elastic collisions...
May21-08 02:21 PM
Mapes
4 2,597
I'm trying to calculate the attractive force between two Water Molecules under the effect of an Electric field and I'm...
May21-08 11:55 AM
borisete
4 8,224

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