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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 46,713
I've been reading this article for a prof this summer: http://arxiv.org/pdf/1302.0245v1.pdf I'm having some trouble...
Jun1-14 07:56 PM
Born2bwire
2 233
I was studying the equations of free fall and of launch when I realize that those equations are spetial case of a...
Jun1-14 06:56 PM
Matterwave
1 190
So I'm a diabetic and i know about the prickles meters, i want to know how they work though. I would assume it has to...
Jun1-14 02:35 PM
UltrafastPED
1 143
Is it true that the center of mass of an object will be accelerated with the same direction and magnitude from the...
Jun1-14 05:38 AM
Delta≤
2 228
Hi ! 2 Objects turn at constant rotational velocity ω rd/s around axis noted "axis" on image (ω clockwise). An...
Jun1-14 02:45 AM
CWatters
9 431
Hi, I am a bit confused with the relationship between gravitational field strength and gravitational potential. As far...
Jun1-14 02:38 AM
haisydinh
6 279
Question: A glass half filled with water is kept on a horizontal table in a train. Will the free surface of water...
May31-14 11:21 PM
siddharth5129
15 534
I have been reading up on PALM works and am still confused about a few things. In particular, (1) how can you only...
May31-14 08:50 PM
UltrafastPED
1 165
Hi. So let's say you have two identical cubes with expansion coefficients of approx. zero. These cubes are thermally...
May31-14 04:38 PM
WannabeNewton
3 201
speed of light = wavelength X Freq. Suppose Freq of the wave is 1 Hz, then isn't ist possible that the wavelength is...
May31-14 02:38 PM
Drakkith
6 251
Hi. I have two questions: 1) Is -ΔG the amount of useful work a system can do while the pressure and temperature of...
May31-14 09:50 AM
Nikitin
2 251
Hi, I would like to solve the steady-state incompressible Navier-Stokes equations by a spectral method. When I saw...
May31-14 07:00 AM
Zoli
0 201
The situation is as such. you have a magnetic passing through a loop(loop 1)of wire as some time t, say you also have...
May31-14 02:18 AM
Delta≤
5 283
we have an inversed pendulum(ignore the car) http://csd.newcastle.edu.au/simulations/cart.gif and we choose the...
May30-14 06:35 PM
Andrax
3 240
Hello experts! I am looking for the proof of the following equation:...
May30-14 06:22 PM
jasonRF
7 436
The position equation for a oscillator undergoing critical damping is given by x(t) = Ate^(-γt) + Be^(-γt) where...
May30-14 10:18 AM
vanhees71
1 155
As the spring semester is over and the summer is now beginning I was thinking that I would like to get a start on...
May30-14 10:16 AM
hideelo
6 210
I'm reading Lanczos: 'The variational Principles of Mechanics'. I need help resolving a paradox - which is probably...
May30-14 04:17 AM
Philip Wood
50 1,320
Lately I have been thinking about the conservation of linear momentum, and there are two cases that I can think of...
May29-14 05:36 PM
DaleSpam
18 388
Hi, I having been looking on the internet and other threads and can't seem to find any detailed information on how a...
May29-14 05:10 PM
UltrafastPED
10 232
Hello experts! I wonder if there are any disadvantagÍs of StÍp IndÍx FibÍr? I searched for my knowledge but only...
May29-14 05:02 PM
UltrafastPED
8 226
I was just doing a read-through of my freshman griffith's electrodynamics textbook ( I found my comprehension of...
May29-14 03:35 PM
Jano L.
3 278
Hey PF, my book either got sloppy in a derivation or I am not connecting two very obvious dots. It gives the energy...
May29-14 09:12 AM
D H
2 210
Hello guys, Iam doing a project to find the tension of timing belt using a dial gauge indicator,but i can't find a...
May29-14 07:43 AM
CWatters
4 265
So what if we have two thick lenses? Thanks in advance ,
May29-14 06:46 AM
UltrafastPED
1 178
Why change of magnetic flux with the time through a coil induces current in it? Please tell me that what happen to...
May29-14 05:01 AM
siddharth5129
5 270
Hey, I don't if this is the right place to ask ( it is not a homework question but just a curious one about what i...
May29-14 03:06 AM
siddharth5129
7 254
This question is about push bikes, but could be applied to anything with a versatile engine and a gearing mechanism. ...
May29-14 01:39 AM
A.T.
3 222
Hello, Im a student and I try to design a valve connected to a tank. However I have some troubles to define the...
May28-14 06:53 PM
Chestermiller
1 189
Hello, I need some help understanding Bernoulli's principle, flow rate, velocity and pressure. I understand...
May28-14 11:27 AM
siddharth5129
3 362
Hi I am new to this forum. I am an amateur blacksmith/machinist/all around tinkerer. I took a class with a...
May28-14 07:33 AM
Nugatory
4 194
When thinking of a spherical shaped particle moving about under Brownian motion, one describes its motion by...
May28-14 07:11 AM
Steve Drake
2 221
Initially the pings from Malaysian airlines flight MH370 could only determine the distance of the aircraft from the...
May27-14 10:39 PM
nsaspook
29 1,961
I am going through Mary Boas' "Mathematical Methods in the Physical Sciences 3rd Ed". I finished the chapter 3...
May27-14 08:43 PM
kq6up
4 237
I was wondering how could I hold a lot of charge inside, for example, a ball. I thought by wrapping it in an isolant...
May27-14 08:34 PM
UltrafastPED
1 205
Hi, I am trying to resolve a force into xyz components and I think I'm getting a bit confused. When viewed face on...
May27-14 07:03 PM
LukaD
4 202
I was solving a static electricity/electric field problem and I came across with one saying earth has an electric...
May27-14 04:56 PM
sophiecentaur
7 390
Hello there, I have a problem that I've been trying to solve for some time now and I find myself struggling. I am...
May27-14 03:56 PM
mattt
1 148
I am aware that when charged particles accelerate or decelerate, the particle will emit a certain amount of radiation....
May27-14 02:05 PM
Prince Rilian
2 186
What is the smallest amount of electricity (volts, amps?) required in order to create a magnet capable of spinning a...
May26-14 05:21 PM
TheAzn
2 211

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