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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
1 41,787
Can you tell me how to perform this experiment ? .. and also prove that it's true. I don't understand it. Thank you.
Oct1-07 12:39 AM
1 4,316
Suppose we have two source of disturbance to produce sound waves. The intensity of sound produced by the first source...
Oct1-07 12:31 AM
0 2,815
For demonstration purposes I m trying to assemble a generator consisting of a coil swinging thru a permanent magnetic...
Sep30-07 03:24 PM
0 2,992
Generally, on a graph that describes motion, position v.s. time, there are several different kind of segments. For...
Sep30-07 10:58 AM
7 4,576
What shape does an elastic band describe when hanging from two opposite points and suspending midway a weight W...
Sep30-07 10:47 AM
Loren Booda
4 1,484
Are there versions of the divergence theorem that don't require a compact domain? In my reference literature the...
Sep30-07 07:07 AM
2 2,325
Suppose I connect 2 9v batteries (for example) in series with a fish tank (30mm x 30mm x 20mm) containing water and an...
Sep29-07 07:06 PM
3 1,742
Why do they say that copper wires are more conductor than aluminium wires?
Sep29-07 07:04 PM
3 2,006
In a recent post here about the Cavendish experiment several people suggested that Cavendish measured G. I disagree...
Sep29-07 12:04 PM
33 7,494
Dear All... For my first post in this forum I have choosen an easy question for you all!!!!! If I have a gas at...
Sep27-07 01:37 PM
0 4,053
Hi all My teacher says an a.c. passes through the dielectric of a capacitor. She says that the dielectric filters...
Sep27-07 12:51 PM
6 3,254
say for example there is a pulse through a string .then what exactly is wave speed or for that matter in case of...
Sep27-07 10:01 AM
8 8,290
This is my first physics question (and hopefully not my last) I've been wondering about what happens when you fire...
Sep27-07 07:25 AM
5 1,209
I like to see you gents post up some classical physics problems that have yet to be answered by modern physics? ...
Sep26-07 08:42 PM
3 4,036
how does coloumb's law accomadate this the field on a say a uniformly charged shell.any point on the shell is charged...
Sep26-07 02:06 PM
14 1,761
Please, give me idea about Green's theorem.
Sep26-07 09:26 AM
2 1,545
Is there such a thing as energy in magnetic field per unit length? I know there is a thing as energy per unit...
Sep26-07 12:43 AM
0 1,284
Hello all, I have recently taken up the study of electromagnetism because I found that I lacked severely in this...
Sep26-07 12:04 AM
Maxwell's Beard
8 1,166
1) Is there any way for the entropy to increase in an closed adiabatic syatem? 2) what are the mechanisms of...
Sep25-07 06:46 PM
Claude Bile
1 1,269
This is the material i read from textbook, and it doesnt make any sense to me!! can somebody plz help me out if they...
Sep25-07 06:37 PM
4 4,054
Hello, I have recently been interested in the problem of 2- and 3-dimensional elastic collisions. I just don't...
Sep25-07 05:36 PM
2 2,767
Does any1 know where I can find a book or maybe a website that clearly explains how Newton derived all of those...
Sep25-07 05:14 PM
2 1,732
Hello everyone There is this device called Newton's Cradle ...
Sep25-07 05:01 PM
4 6,270
If we could imagine an object in space which does not obey the law of inertia ( ie it offers no resistance to motion)...
Sep25-07 02:13 PM
Doc Al
37 4,039
Hi Friends, I was thinking of having a either a point charge or some amount of charge at the center(let us say...
Sep25-07 02:09 PM
Doc Al
3 1,630
well an introductory course on electromagnetic waves starts with lines like Light is nothing but electromagnetic wave...
Sep25-07 10:54 AM
2 1,162
if i am finding the equipotential lines by using a conducting sheet, power supply, and muiltimeter to find the...
Sep24-07 06:43 PM
Claude Bile
1 3,463
Hello everyone, I'm new here, so this is my first post on here. I've never taken a physics class in my life, but love...
Sep24-07 04:33 PM
2 2,850
Hello, This is my first post here. I really wanted to know how to calculate the pressure of a fluid with a column of...
Sep23-07 03:36 PM
1 6,543
Hello. Sorry if it is a bother, but i'm starting Applied Mechanics (statics) and my books states this "principle of...
Sep23-07 03:23 PM
12 10,631
Hello: Can you tell me where on the internet I can get a good source on elasticity? Thank you
Sep23-07 10:01 AM
1 1,187
Does anyone know of a good way to explain how MagLev (magnetic levitation) trains work? I know they use...
Sep23-07 06:58 AM
0 1,637
I am programming a simple physics simulation and have been following along with some books about the subject. ...
Sep22-07 02:08 PM
1 8,674
Why does passing current through Wolfram filament, heats the Wolfram filament in light bulb? What happens with the...
Sep22-07 01:59 PM
9 1,609
Hey.... This is for a school projecct but i feel like its best fiting here..... Well... look i need to lighg up a...
Sep22-07 01:54 PM
0 1,157
Are there any applications for the lissajous figures? I haven't seen any applications for them besides the ABC logo so...
Sep21-07 11:17 PM
4 9,877
Hello, We have an installation in which we will be placing a 1/4" thick mirror which spans 7ft across and 5ft in...
Sep20-07 05:57 PM
2 1,929
I have a cluster of magnetic sources around a volume and I need to know the real magnetic field in a point (namely...
Sep20-07 04:45 PM
1 1,041
Hi, I am new to this forum, and I just wanna say hi and I am glad that I am here. Now, I have one animation. Isn't...
Sep20-07 04:22 PM
27 41,604
Hi, I am building some electronics to control a brushless motor (BLDC). I am studying the motor startup and I need...
Sep19-07 07:50 PM
3 2,294

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