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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 45,902
With increased pressure tungsten has a higher melting point. (source below page 30) 45kBar increases melting point...
Apr15-14 08:25 AM
James125
2 216
I am curious about the effects of oscillation in a heat transfer system. For example consider a simple system...
Apr14-14 11:25 PM
Seth.T
3 155
Relating to the synchronous nature of the moon’s rotation and orbit around the earth, what would happen if the orbital...
Apr14-14 05:51 PM
cjl
1 196
I am teaching Physics and I'm not looking for help for a particular homework problem but on a class. Sorry if this...
Apr14-14 05:03 PM
ranger275
9 325
... regardless of any possible technical problems, and then, on earth: a) someone throws an object in the air and...
Apr14-14 04:21 AM
sophiecentaur
10 327
I recently looked at the reference in an article I am reading, and subsequently checked "Oscillations and Waves in...
Apr14-14 01:58 AM
UltrafastPED
1 198
I'm developing a scanner that uses a laser for edge detection. It will be mounted on a hexacopter that will traverse a...
Apr14-14 01:54 AM
UltrafastPED
4 240
It is taught that the classical treatment of the diatomic atom would give a heat capacity of $7/2$ due to 7 degrees of...
Apr13-14 10:31 PM
dauto
1 190
Hi all, im trying to get my head around some experiment results but im struggling a bit. According to my notes H...
Apr13-14 06:56 PM
DrZoidberg
2 233
Hello I have learned about maxwells relations and can derive them. I noticed that we had made an assumption of a...
Apr13-14 03:29 PM
Maylis
1 236
Hi I need some help explaining kinetic moment and moment of the center of mass. This is an example:...
Apr13-14 01:32 PM
vela
8 324
Hi. I thought magnetic moment arose from closed loops of charge currents. How does then the angular momentum of the...
Apr13-14 11:35 AM
dextercioby
5 293
Take a uniform density bar in space for example. Would the center of mass move if the bar was struck at the very tip...
Apr13-14 04:13 AM
student34
6 267
Dear all, I am trying use Ampere's law and came across a problem which is a result of my lack of understanding. ...
Apr12-14 06:47 PM
Mr-R
1 189
Hi, I am posting here for the first time, hence, should I have violated any forum rules I am sorry and kindly...
Apr12-14 06:56 AM
premie
4 280
Hello, I would like to ask why, when a surface is not polished, it reflects less. I understand that when the...
Apr12-14 06:01 AM
stevendaryl
9 346
Hello folks! I have just come from a night at the pub with fellow students of life where over many a pint several...
Apr11-14 11:35 PM
qftqed
3 347
Quick question.... Can the gravitational constant only be used for earth or can it be used in questions regarding...
Apr11-14 01:03 PM
SteamKing
3 218
Could anyone help my with proving that the acceleration of an object that is moving with uniform circular motion is...
Apr11-14 09:55 AM
Emz19
4 198
If thermodynamic temperature can be interpreted as the average kinetic energy in a system, is there a quantity defined...
Apr11-14 08:14 AM
njmcmu
5 221
How do I tell if a torque on a system is internal or external before conserving angular momentum? I know that if a...
Apr11-14 12:23 AM
transparent
0 231
So as I am junior high school student just learned that when the terminals of wire are connected to a battery,an E...
Apr10-14 11:30 AM
cabraham
3 286
I'm working on a project for myself in regards to atmospheric reentry. I've come across some equations that describe...
Apr9-14 08:41 PM
Rd123
11 918
I have never dealt with moment of inertia before, this is a physics lab i need to do some pre planning for which...
Apr9-14 02:17 PM
cooev769
8 340
I am currently working on a robotic manipulation problem and need to form a model for how an object responds. I start...
Apr9-14 09:14 AM
Liferider
1 249
Where does ohmic resistance arise from, is it from the collision of the current with the electrons of the wire or is...
Apr9-14 07:57 AM
nasu
19 484
Hi everyone--first post, thanks for any guidance if I've posted in the wrong place. I've got a simple idea and I'm...
Apr9-14 05:08 AM
Bobbywhy
7 360
This is not schoolwork. Imagine that light did not have a constant speed, but behaved in the manner expected from...
Apr8-14 11:37 PM
Simon Bridge
1 306
Hi everyone. I've been having this discussion with a pal regarding what affects the grip of a motorcycle's tires...
Apr8-14 11:17 PM
tduell
11 1,852
Hello there, If a mass, m, is placed at one end of an boat of mass M, which is located on a frictionless ocean. If...
Apr8-14 12:58 PM
Matterwave
1 212
According to this website, there is an equation obtained empirically to obtain the amount of time it takes to cook a...
Apr8-14 08:30 AM
gmax137
3 239
I played around in another thread with mathematically determining where a car should be time wise on 1/4 mile run. I...
Apr8-14 04:28 AM
jumpjack
6 363
in a cyclotron the radius of the path of electron increases.but how if the velocity of the electron is accelerated its...
Apr8-14 03:59 AM
smart_worker
5 465
hey guys, can someone explain me Poiseuillie's law, because, I'm reading and reading and reading and don't understand...
Apr8-14 01:38 AM
SarcasticBunny
4 232
I have pictured I model about how electrons move in a circuit, What happens first is that electrons are built up on...
Apr8-14 12:03 AM
jlopezfis
3 289
Hello everyone, I want to have a simple example of an inductance calculation. The magnetic field normal to a...
Apr8-14 12:00 AM
jlopezfis
2 197
So, I have been studying angular velocity and linear velocity--and I want to use this information determine if a ray...
Apr7-14 11:08 PM
Simon Bridge
7 307
This relates to the extension of a uniform cross-section, homogenous, ideal wire which extends within the proportional...
Apr7-14 10:01 PM
kirakun
6 267
I am currently working on an experiment with piezoelectricity and was wondering how I would measure the force applied...
Apr7-14 05:38 PM
themadquark
3 227
Hi, I was wondering what the frequency of a photon is according to maxwell's equations. Does the...
Apr7-14 05:04 PM
Drakkith
24 942

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