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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 47,906
Hi, I conducted an experiment with the Michelson Inteferometer to obeserve white light fringes but I cannot explain...
Apr3-07 04:19 AM
Baggio
8 8,808
(ok i not sure where this topic goes so ill take a guess its here) ok, I hear that nothing is 100% efficienct. some...
Feb26-07 02:18 PM
KingNothing
8 5,174
If the earth was flat, and there were no such thing as gravity, and it, along with all the celestial bodies,...
Feb22-07 04:11 PM
ZapperZ
8 1,354
Well,I think this is interesting.I invite people to think over it. consider a charged spherical shell.Throughout its...
Feb28-07 12:34 PM
Kolahal Bhattacharya
8 2,027
I'm a newbie, so please correct me if this is not a good post. Question: 1 The absolute speed of...
Apr13-07 12:36 PM
rbj
8 8,565
Does inertia apply to EVERYTHING in the universe? Even subatomic particles? Or is there a certain mass limit where...
Mar6-07 02:10 PM
Zeit
8 3,299
Hi, Let L be an inductance, then you find the following formula in textbooks (high school level): U_ind = - L...
Mar8-07 07:20 AM
arcnets2
8 2,162
What does the subscript (\theta, \phi) mean on the laplace operator? i.e. {\nabla}^2 V_{(\theta, \phi)}
Apr10-07 03:25 PM
Meir Achuz
8 1,417
I tried to do a post here but it didn't take so I'm going to put something much shorter that asks the same thing. I...
Mar30-07 07:27 PM
FulhamFan3
8 1,423
Firstly, this is NOT a homework question although it may sound like it. My question pertains to this (I believe rather...
Apr17-07 05:53 PM
Guardian
8 1,882
When we apply ampere's circuital law to finite length wire,we get the wrong answer.Why is that? The symmetry rule is...
Apr22-07 11:19 AM
NeoDevin
8 5,997
What does mean a perfect elastic collision and a perfect inellastic collision? Do they really exist or it is just by...
Apr20-07 07:52 AM
lpfr
8 2,740
Is it possible for the k-vector to be a function of space (in the context of EM waves)? What would it imply if this...
Apr29-07 06:13 PM
robphy
8 2,662
How much potential energy is stored in a tied shoelace?
Apr29-07 01:45 AM
russ_watters
8 1,224
Suppose, there's an inclined surface, and a sphere, with radius R, is rolling without slipping. The Lagrangian is L...
May16-07 04:11 PM
Doc Al
8 2,366
shouldn't an object that is being push away from earth with the same force accelerate as it goes up in elevation, also...
May23-07 06:15 AM
cristo
8 905
an object with mass m=0.1kg is thrown with an initial velocity v0=20m/s in a viscous matter that exercises a resistant...
May26-07 03:46 PM
Doc Al
8 1,293
It is a mechanics discussion regarding a problem of electrostatics. Couple of months ago I dealt with a...
Jun2-07 10:09 PM
neelakash
8 1,160
There is a u-tube which its diameter on the left hand side is smaller than the right hand side. It is filled with...
Jun15-07 12:49 PM
Doc Al
8 4,630
Can anybody please explain these theories, and what they do so differently than Newton's mechanics? I cant really get...
Jun20-07 02:28 PM
Aidan130791
8 3,054
Greets all, i'm attempting to build a small physics engine that manages linear and angular forces. Please bear with me...
Jun27-07 04:25 PM
g9icy
8 1,371
Say I have two bodies, idealized as points with mass, in Galilean spacetime A^4. When thinking about the 2-body...
Jul17-07 04:14 PM
cliowa
8 1,470
I have a basic question regarding black body cooling. Suppose a person at sea level on a clear night, were to use a...
Jul20-07 08:33 PM
mgb_phys
8 2,436
Suppose we have a gas of randomly oriented (and in random motion) electric dipoles. Obviously the dipoles do not...
Sep4-07 07:57 AM
genneth
8 1,969
Does anyone know where I can find information related to the physics of straightening a bow from its curved state to a...
Sep17-07 10:39 AM
mgb_phys
8 3,281
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 1,266
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
f95toli
8 8,410
this was one question i've always thought upon right from the time i have learnt abt forces and velocity .. a bus...
Oct1-07 04:38 AM
app_pp
8 1,341
If I have a charged insulating hula-hoop with the property that every point on the ring has exactly the same charge...
Oct2-07 01:00 AM
jimmd
8 5,992
Some friends my argue about the ball spin and curve. At first I thought it can be explained by bernoulli effect. But...
Oct15-07 06:32 PM
pixel01
8 2,264
Do the Biot-Savart Law, Coulomb's Law, and the Law of Charge Conservation contain the same information as Maxwell's...
Oct15-07 11:32 PM
vanesch
8 2,310
# Hi # My instructor of EM course wrote two formulas on the blackboard and asked whether they are correct and what...
Oct30-07 09:09 PM
blechman
8 2,022
Hi all, I fell on those pics on the web (see attached files). Now, there are people who tend to think this is...
Nov10-07 03:19 PM
Scorpixx
8 2,346
What do we mean in mathematical terms intensity of light at this point is I and when we say Power of light is P
Nov9-07 10:10 PM
pardesi
8 3,400
Recently, the New York times ran the obituary of Paul Tibbets who was the pilot of the plane that dropped an atom...
Nov13-07 04:01 PM
cesiumfrog
8 4,990
hi, i would like to ask a physics question concerning two basic kinematics equations: d = v t and the projectile...
Dec6-07 01:28 AM
crowdiddly
8 5,213
As I understand it, conductors interact with EM waves (light) in such a way that prevents transmission through the...
Dec13-07 09:24 AM
silver-rose
8 2,697
Suppose we have box with a volume V which is divided down its middle. So the box is split in two sides with equal...
Dec6-07 03:08 AM
LTP
8 2,858
If I have some arbitrary Thermodynamic system, and I want to find the equilibrium state what do I do? Lets say that...
Dec11-07 08:58 AM
Count Iblis
8 2,287
Is it possible that the the small vibrational energies that make up "heat", are caused by the pull of electrons...
Dec14-07 02:57 PM
Ben Niehoff
8 1,150

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