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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 47,891
Hello, I am reading through my textbook and cannot wrap this idea around my head yet Basically, when a molecule...
Oct27-12 03:27 PM
mfb
1 798
Dear all, I get straight to the problem, that came out of a discussion with friends: Two bodies are in contact...
Jan3-11 11:44 AM
Andrew Mason
1 1,796
is it appropriate to call a term impulsive tension or is it just useful for calculation of change of momentum?
Oct27-10 02:20 PM
dgOnPhys
1 1,953
In a DC circuit charges flow in the opposite direction to the electric field. Is the difference in potential energy...
Mar4-10 08:52 PM
Naty1
1 1,372
Where does the heat come from? What pushes the atoms together?
Apr6-11 06:06 PM
Drakkith
3 2,188
In a race down inclined plane why does a cube reach bottom first? The other object is a solid cylinder. The cylinder...
Oct23-05 01:02 AM
Tide
5 1,946
In a railgun the lorentz force causes an object to be propelled in a direction because of an electromagnetic force...
Jan29-07 03:35 PM
Elementric
6 1,524
Anybody know this one? I need to know for an evaporator design. Because there's no buoyancy from air, I'd think it...
Jan12-12 06:37 PM
bbbeard
11 2,255
Hi all The reflection and transmission of a pressure wave at a boundary depends on the relative impedance of the...
Sep18-13 11:08 AM
H_man
3 546
Consider an electric field throughout the region of an electrodynamic system: E The function, E , is a...
Feb21-05 02:32 AM
dextercioby
11 1,983
Here is a simple example about my issue with this. 1g ball (ball A) moving west at 10m/s hits another 1g ball (ball...
Aug30-12 07:49 AM
mickybob
6 3,355
I have been told that compressing the mixture would make the explosion "more powerful". However I cannot wrap my head...
Jan5-13 08:20 AM
Studiot
6 1,473
Hello Forum, a fiber optic cable has two components: a core and a surrounding layer called cladding. The core...
Jan18-13 09:13 AM
fisico30
0 433
hi, I'm having trouble understanding what the difference is between the B and H fields. What my understanding is, if...
Sep13-13 11:21 AM
rebel rider
107 33,543
in michelson interferometer, does amplitude of of two waves is divided. i mean one wave say from fixed mirror has...
Jul8-10 10:42 AM
AJ Bentley
1 780
I was checking the proof of this, when things came vague at one point. It goes as follows, how to prove that...
Oct10-13 02:27 PM
M. next
0 358
In regards to the Maxwell's Demon thought experiment and violation of the Second Law of Thermodynamics, I have a...
Jan20-12 11:32 PM
wkassis
5 1,035
Everybody says that ω=v/r. But isn't that v tangent to the cirle?
Nov11-13 08:46 AM
Meir Achuz
1 292
->Introducing Mechanics. ->Further Mechanics Both books are by Brian Jefferson and Tony Beadsworth Im looking...
Nov27-10 05:03 PM
Jadenag
0 891
An object undergoing simple harmonic motion will always have varying acceleration. That means for each unit of time...
Sep8-11 01:41 PM
raja.ganguly
3 9,479
I'm not asking why the electron doesn't fall into the nucleus. I know this is explained by quantum mechanics. But...
Mar7-12 05:52 PM
LogicX
2 964
In the following figure, the space b/w the glass lenses is filled with water. We have to find the focal length of the...
May19-11 02:14 AM
aim1732
3 989
In the Stern Gerlach experiment it would seem that an electron beam moving at some velocity bisecting the upper magnet...
Jun4-13 05:57 PM
mesa
10 1,137
we're gonna start trusses soon (statics) and I wanna know if I should pay attention to several screws on a joint...for...
Feb12-11 03:57 PM
Femme_physics
6 864
In what condition is the acceleration of a falling parachute is zero?
Jul12-09 09:42 AM
vin300
8 729
We all know that the wave vector of a propagating plane electromagnetic wave indicates the direction of propagation....
May5-12 04:43 AM
apaeru
2 1,718
As we know the incandescent bulbs emit mostly heat and very small amount of visible light.Is there any way to increase...
Nov27-07 09:07 PM
neelakash
3 2,356
Hi all, there are a few questions regarding the incandescent light bulb, which I believe are rather elementary, but...
Jan13-09 12:13 PM
cabraham
2 18,628
Does a 60W Type A (general service) incandescent light bulb put out more light than a 60W Type B (candelabra torpedo)...
Jan1-10 04:18 PM
fuzzMan53
3 629
When my book derives equations for reflection between two media it simply says something like this: Suppose a plane...
Oct19-12 08:23 AM
andrien
2 983
Does the distance traveled by an object sliding down an incline plane pertain to the base or the hypotenuse of the...
May13-13 02:43 PM
jmosque
3 415
I try to program a 3d-physic simulation, with bouncy collisions, friction, etc. and i have a problems with splitting...
Nov28-03 06:03 PM
zarcon
2 3,331
This is driving me nuts. What am I missing? Suppose you have an inclined plane with a mass m resting on it. The...
Jan6-14 06:42 PM
rexregisanimi
2 399
I keep over complicating things when I draw a diagram for the inclined plane. I just want to clear things up. Is it...
Oct12-07 08:06 AM
Doc Al
1 1,723
I know that force parallel (the force of the block down the inclined plane) in this case should be mgSin(theta), but...
Jul30-12 02:53 PM
Vantenkeist
9 1,449
When an iron ball is allow to roll down the inclined plane such that magnet is fixed at the bottom of plane then...
Nov1-13 12:40 AM
physics.cie
4 563
So I was watching some of those physics videos posted in schoolwork board, and although he probably didn't make an...
Jan21-08 07:33 AM
TVP45
4 1,940
Is there any difference in the force I need to apply between pushing and carrying a mass upward along an inclined...
Nov5-11 07:43 AM
Naty1
9 1,419
For my classes I want to prepare this experiment http://fizyczny.net/viewtopic.php?t=28422 But of course I need to...
Jun13-11 10:33 AM
chrisbaird
2 1,445
Okay, I am currently reading about motion on inclined planes and how the normal force acts directly perpendicular to...
Jul17-11 07:00 AM
Doc Al
7 1,945

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