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Classical Physics

- Principles developed before the rise of relativity and quantum mechanics. Mechanics, Electrodynamics, Thermodynamics, Optics...
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Before posting anything, please review the Physics Forums Global Guidelines. Again, for some odd reason, people...
Apr22-11 05:26 AM
ZapperZ
1 41,744
I have been toying with an idea that may break the second law of thermodynamics for a while now, but it is basically...
Apr15-14 11:06 AM
berkeman
6 220
Hello, I would like to try to "model" motion of two gravitationally interacting bodies. But from some "separated"...
Apr15-14 10:32 AM
UltrafastPED
1 105
how can we understand torsion of curve is in the direction of normal unit vector en?
Apr15-14 10:30 AM
UltrafastPED
3 114
Hi, I'm studying classical mechanics via Goldstein's book. And at the beginning of the chapter on the symplectic...
Apr15-14 09:22 AM
JonnyMaddox
0 103
With increased pressure tungsten has a higher melting point. (source below page 30) 45kBar increases melting point...
Apr15-14 08:25 AM
James125
2 128
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
3 103
Are there any good books to understand the BBKGY equations of kinetic theory?
Apr14-14 08:24 PM
TSC
4 152
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
1 136
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
9 254
... 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
10 254
After figuring out how to calculate Cd and Crr coefficients, I'd like to continue my "vehicle physics exploration":...
Apr14-14 04:13 AM
jumpjack
75 1,486
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
1 136
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
4 171
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
1 124
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
2 162
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
1 187
Let's say that you have an open tank of water and a hose connected to the bottom of it. Water is flowing out of the...
Apr13-14 02:04 PM
jbriggs444
14 263
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
8 227
I've been reading a paper which models heat transfer in solids using a finite element model. Elements are connected to...
Apr13-14 01:08 PM
Racer_Rob
0 123
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
5 209
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
6 204
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
1 141
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
4 180
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
9 245
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
3 273
It is commonly said (based on a quick Google search) that wrapping your beer in a wet paper towel and placing it in...
Apr11-14 02:14 PM
christopher.s
26 10,935
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
3 163
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
4 150
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
5 137
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
0 143
For my senior physics research project I've developed an orbital analysis program that calculates the minimum \Delta...
Apr10-14 04:52 PM
Bobbo Snap
2 131
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
3 194
Hi. In this page the Woods-Saxon function is mentioned as describing the charge distribution for in the atomic...
Apr10-14 10:55 AM
carllacan
0 110
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
11 756
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
8 220
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
1 168
Suppose that we have a body that is moving at a straight line, inertially wrt to another frame. If it starts to move...
Apr9-14 07:58 AM
Andrew Mason
9 186
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
19 383
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
7 217
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
1 161

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