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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 47,834
Hello. I've got a magnet of a determinate radius and a coil. Which radius should i give to the coil (in function of...
Oct1-09 12:51 PM
encomes
0 467
Hi everybody... this is my first topic here. I'm solving problems for the phd test here in my university. Here's...
Oct1-09 12:05 PM
non-hermitian
6 3,016
Hey guys, I am kinda simulate car dynamics with given parameters. I actually want simple solution. I have been...
Oct1-09 09:29 AM
dehseth
12 6,762
I was wondering if someone could help me this Navier-Stokes Equation. f = -DP + Dt + f Could someone maybe...
Oct1-09 08:42 AM
Andy Resnick
2 1,823
hi. i live in a backwards country. the optics textbooks here do not really go into enough detail. how do i...
Oct1-09 06:23 AM
iffybom
0 443
Hi, new to the forum, I was shown a graph (hopefully I can upload it).. it is to do with porosity, but I don't think...
Oct1-09 05:45 AM
geo_lane
0 532
Hi all, got a little physics problem that I wonder if anyone could help me with. I'm using an accelerometer to...
Oct1-09 02:59 AM
nidhi.monika
7 7,755
Hi, thanks in advance for any help and info. Have two conditions. The first condition is a mass of water spinning...
Sep30-09 04:13 PM
trustthrust
2 3,441
I've been trying to find the answer to a question i have online but haven't had much luck. Where did Stable or...
Sep30-09 02:35 PM
DaleSpam
2 968
Hello, I am a tactical driving instructor and a precision/stunt driver. For more than 15 years I use high PSI tire...
Sep30-09 05:25 AM
xxChrisxx
1 7,092
We know that the more electrons there are in the valence shell of an atom, the stronger the London Dispersion Forces...
Sep29-09 10:59 PM
sermatt
1 650
if you have mass and displacement on a horizontal surface how do you find acceleration
Sep29-09 10:46 PM
Vanadium 50
1 866
are the forces acting on the passenger seating in the back seat of the car different from the forces acting on the...
Sep29-09 04:46 PM
0xDEADBEEF
1 1,468
Sorry for such a simple question, but what are the differences between using insulation and heat reflective material? ...
Sep29-09 04:20 PM
0xDEADBEEF
1 1,514
hi, a doubt regarding rolling motion of a ball down the incline has been giving me sleepless nights for a couple of...
Sep29-09 08:54 AM
shohin
10 1,159
Hi, From knowing that the 3D harmonic oscillator has 3 degrees of freedom, how do you conclude that the average total...
Sep29-09 07:43 AM
conway
15 9,916
Hello all, I understand the fact that the principles LaTeX Code: F= \\nabla \\phi . LaTeX Code: \\nabla...
Sep29-09 12:11 AM
sleventh
2 1,141
I have a question: I have two plates that form a right angle. How would I go about finding the Capacitance of the...
Sep28-09 09:27 PM
Born2bwire
4 1,178
Hi, Why is there a difference in electric potential from a point on the surface of a stationary magnet to a point...
Sep28-09 06:09 PM
Bob S
4 1,384
I've asked myself the following question but couldn't think about an answer. Imagine a hypothetical situation : you...
Sep28-09 05:55 PM
Bob S
5 1,635
hello, i'm using an accelerometer (ADXL311) which outputs analog voltage in proportion to g's for X and Y axes. i'm...
Sep28-09 02:59 PM
nidhi.monika
5 7,921
If a car crashes into a solid unbreakable wall, how is momentum conserved (I know it must be). To me, it seems that...
Sep28-09 01:51 PM
willem2
3 2,392
What would cause more injuries to the passengers of each car? a) car colliding against brick wall. b) car colliding...
Sep28-09 01:44 PM
XanziBar
1 1,210
A few questions about electric field here: 1. Why do charges have to be on the outer surface of the conductor? 2....
Sep28-09 11:37 AM
DaleSpam
8 4,511
Hey all, Can someone please tell me why is the trace of the Jacobian of an integrable hamiltonian system equall to...
Sep28-09 12:02 AM
thrillhouse86
1 864
When working on homework problems having to do with voltage, there is often the stipulation that V=0 at infinite. If...
Sep27-09 12:58 PM
kanato
1 2,215
Hello The Foucault experiment is based on the non rotation of the oscillation plane of a classical pendulum. Maybe...
Sep27-09 12:39 PM
Cleonis
7 2,049
I recently purchased a new microwave oven, and there's a metal rack in it. The salesmen informed me that it shouldn't...
Sep27-09 11:38 AM
kashiark
9 5,777
Could someone explain why Quality factor, which as I understand it, is 2pi *(maximum energy stored/energy dissipated...
Sep27-09 10:43 AM
johnjaypl
12 2,084
Now, i am trying to prove that electric field inside spherical shell whose constant surface charge density \rho is...
Sep27-09 09:15 AM
sophiecentaur
6 5,381
I know power is what causes devices to function in a circuit. What role does the voltage have in a circuit?
Sep27-09 08:01 AM
sophiecentaur
3 993
Let's say I have a system with multiple oscillatory modes. Is it possible to have anything in this system that...
Sep27-09 07:30 AM
thrillhouse86
3 1,021
I'm feeling a lot of difficulty in studying fluid mechanics.. can anybody please kindly suggest me a good book for...
Sep26-09 08:43 PM
thrillhouse86
4 2,450
I'm a little confused on how the math is supposed to work out when you are adding an electric field from charges with...
Sep26-09 05:01 PM
tiny-tim
5 2,874
Hi all, I am doing a project on the speed limit on human sprinting. I was doing a thought experiment and then got...
Sep26-09 03:48 PM
dimensionless
7 1,522
In the text, it is said that the polarization is just the response of the input electric field so they have P =...
Sep26-09 03:43 PM
KFC
3 921
Does a black hole radiate infrared waves? If not, then it could absorb some of the infrared waves from a colder...
Sep26-09 03:28 PM
Skolon
8 1,528
On wikipedia it says that the pressure coefficient can be written as C_p = 1 - (V/V_{inf})^2 where V is the...
Sep26-09 03:23 PM
naggy
1 613
Hello all, Still at my frisbee modeling program, I started to ask myself how I could get better approximations of...
Sep26-09 08:29 AM
thrillhouse86
3 4,355
I have a field ,B, I need to find the other field,A, such that -> __ -> B = \/ x A I need numerical...
Sep25-09 04:44 PM
ZapperZ
3 1,163

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