Register to Post Thread

General Physics

- Nature and properties of matter and energy. For any physics topics not applicable to the categories below.
RSS Feed Icon
New Posts
Quality answers to common physics questions
Aug12-14 11:12 PM Simon Bridge 
New Posts
All physics courses. PDFs, tutorials and web links.
Aug27-14 12:03 PM PhysicsStudnt 
Meta Thread / Thread Starter Last Post Replies Views
Jan16-12 Greg Bernhardt
The aim of this thread is to highlight recent (as in within the past 3 months) noteworthy physics papers that have...
May6-14 04:32 AM
Cthugha
168 190,686
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Apr22-11 05:27 AM
ZapperZ
2 70,570
When we make a gaschamber smaller, the kinetic energy increases <--> temperature increases <--> pressuere increases. ...
Feb19-12 07:52 AM
256bits
4 1,242
OK. In my book it says that for "any point" the Electric Field Magnitude for a Infinite sheet of charge with uniform...
Feb19-12 07:48 AM
Saad Ahmed
10 23,411
what is the cause of upthrust experienced by a body placed in a liquid.
Feb19-12 07:08 AM
Drakkith
1 963
I'm looking at a problem and am having trouble finding the force using moments. To be honest i'm not sure am i going...
Feb19-12 07:07 AM
tiny-tim
7 2,808
why is pascal's law valid if and only if gravity effect is neglected
Feb19-12 06:52 AM
anigeo
0 1,074
Hi, I want to know how to calculate force applied on pressure bearing structure like gas cylinder or submarine hull...
Feb19-12 02:42 AM
lemd
0 1,387
So I learnt that if you sit on a chair, you are applying downwards force because of gravity, and the chair is applying...
Feb19-12 02:19 AM
Drakkith
1 836
to be more specific how can you make electricity by spinning a mechanism?
Feb19-12 01:56 AM
Drakkith
4 1,334
Check out this pdf on this website. No signing up or anything, It took me the better half of today to do this....
Feb18-12 07:42 PM
realfuzzhead
3 1,086
Fine lets keep it simple Assume a mass of 'm' moving at velocity 'v'. now if I somehow increase the mass of...
Feb18-12 03:37 PM
nasu
10 1,394
Are there any known superfluids that have a triple point, in that they go from a superfluid to superconducting solid? ...
Feb18-12 03:17 PM
ryan albery
0 873
Basically I was wondering if I was to place a magnet inside a tube sealed at both ends via two magnets (as the diagram...
Feb18-12 02:46 PM
Naty1
4 1,115
Hi guys, I am currently writing my dissertation on Graphene and I am investigateing how graphene remains stable,...
Feb18-12 02:13 PM
DrDu
1 1,267
How do I find the force between the poles of 2 identical permanent magnets seperated by a distance? (experimentally...
Feb18-12 08:51 AM
samieee
1 1,064
Ok, just a few minutes back, a tic-tac slipped from my hand and fell to the ground. The second bounce was to a...
Feb18-12 06:56 AM
AlchemistK
2 1,134
Hello, Suppose there are two conductors carrying currents. One of them is bare conductor and the other has...
Feb18-12 05:41 AM
samieee
5 2,326
hi, just a simple question i have a linear graph y=mx+c lets say my y values have an uncertainty of 1 . my x...
Feb17-12 11:19 PM
quietrain
10 2,492
Is color an intrinsic property of a substance? I thought that if a red object is in an enclosed space, so that no...
Feb17-12 10:06 PM
Drakkith
5 1,880
First you will have to forgive me for being uneducated in this area. I have an old record/tv console I bought with...
Feb17-12 04:05 PM
Bobbywhy
3 2,656
My friend and I are doing table top fusion for our science fair. We can not figure out a sutable replacement for...
Feb17-12 12:34 PM
cmb
21 5,421
OK is it true that you can die if you are wet and are shocked by standard 120 volts? Like for example if you took a...
Feb17-12 12:08 PM
berkeman
6 2,116
The electric field of a point charge Q is defined as E=\frac{F}{q}=\frac{\frac{1}{4\pi \varepsilon...
Feb17-12 09:41 AM
ComptonFett
2 2,418
Is there a way to wind up a spring or coil to store mechanical energy and then release that energy slowly over a...
Feb17-12 09:28 AM
zoobyshoe
25 4,255
I understand corona discharge in electrostatic situations, but in circuits without capacitors/gaps, I don't understand...
Feb17-12 09:27 AM
Dotini
7 2,346
Hi, Sorry if it's not the right place as this question is a bit generic. Let say we have N datapoint triplets...
Feb17-12 08:33 AM
Ahmes
0 918
Here is my question: Can light of multiple wavelengths (for example sunlight) that is transferred through a fiber...
Feb17-12 05:58 AM
Drakkith
1 973
In this vid, Faynmen explains what a fire really is: just watch from start till 1:22...
Feb17-12 04:48 AM
sophiecentaur
7 1,640
My question pertains to model trains. I use a magnet under my last car to activate computer commands via a reed...
Feb16-12 09:53 PM
jim hardy
3 1,214
I started with a 100% water sample, and measured the speed of ultrasound using 1MHz transducer, and in 10% increments...
Feb16-12 08:14 PM
gosatomnadzor
5 2,438
Got a debate going on with some HVAC supertechs...One contends a sufficient quantity of non-condensables in a...
Feb16-12 07:40 PM
Saturatedpsi
0 2,099
Would it be possible to ionize a gas using both an electrical field and a laser to reach the ionization energy? It...
Feb16-12 06:34 PM
Lawortsmann
0 1,549
Ok, so my room mate and I were talking and came up with this question. What would happen if you placed a smaller...
Feb16-12 06:04 PM
boenbrink
2 1,012
Alternating current produces EM Wave. What determines the frequency(or wave length) of an EM wave related to...
Feb16-12 04:39 PM
LURCH
11 1,473
I dont quite understand this concept, i know that electricity is the motion of electrons through a conductor. what...
Feb16-12 04:26 PM
sophiecentaur
71 8,044
I don't happen to have any welding equipment available to me, so I have decided to make an oxyhydrogen welding torch....
Feb16-12 01:30 PM
axemaster
5 1,135
Hello everyone, I'm hoping someone will be able to shed some light on what I have to ask. Basically, I'm interested...
Feb16-12 11:51 AM
nasu
2 1,124
We know that speed of sound in liquid is more than in air. Also, velocity of sound = wavelength X frequency. Now...
Feb16-12 08:25 AM
nasu
1 1,583
what is the source of electromagnetic radiation when electron is accelerated
Feb16-12 06:26 AM
tiny-tim
1 975
Hello guys, hope everything is going well. Anyways, I was thinking recently about the forumla for finding the distance...
Feb16-12 01:01 AM
realfuzzhead
0 1,198
I have a I vs. V graph (I on x-axis, V on y-axis) and I need to figure out how to find the resistance from this. I...
Feb16-12 12:27 AM
sankalpmittal
1 1,486

Register to Post Thread
Bookmark and Share

Display Options for General Physics Mentors
Showing threads 9561 to 9600 of 37067 Mentors : 3
 
Forum Tools Search this Forum
Search this Forum :
 
Advanced Search