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.
Aug31-14 02:46 PM nsaspook 
Meta Thread / Thread Starter Last Post Replies Views
Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Apr22-11 05:27 AM
ZapperZ
2 70,660
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
168 190,919
Is there anyone here that can explain this phenomena using Einsteins postulat that the velocity of light is constant?...
Jun24-03 02:45 PM
quartodeciman
1 2,067
There is a sandbag dropped from a balloon. At the moment the sandbag is dropped, the balloon is moving upwards at 10...
Mar1-04 11:59 PM
Beretta
14 1,840
Calculate for electrons which have traversed an accelerating voltage of 100 V the scattering angle 2 theta (in...
Apr19-04 07:12 PM
hibiscus23
0 2,356
Hi, a friend of mine - a college physics professor, and me, have had a discussion about an experience he had in his...
Sep10-09 04:04 AM
MathYew
8 1,409
Hello, I'm the head of a small video game group which creates visual novel style video games. We are developing...
Apr23-10 01:40 PM
kuroi
0 590
The search for constancy Indeed human nature requires us to search for consistency and constancy. However in...
Oct13-03 06:17 AM
scott_sieger
3 2,046
Okay. Well I'm in high school and I made an account on this forum to see if I can get some insight on an interesting...
Jan19-11 01:33 PM
DaveC49
10 2,336
Hi, I am trying to prove the second law of reflection using fermat's principle and I am not entirely sure how to start...
Feb15-13 06:03 AM
Simon Bridge
3 879
I'd like to talk about what I think is already proven to happen to the gravity of the universe when we make particles...
Mar1-06 06:00 AM
island
0 2,545
I'd like to talk about what I think is already proven to happen to the gravity of the universe when we make particles...
Nov4-06 03:27 PM
island
0 1,205
Supposition about heat energy transferring to electric energy The supposition is based on static electric balance...
Jun4-05 06:23 AM
erickalle
2 3,729
The secret of antigravitational flight, as told by ETs In an UFO forum, where Im the resident skeptic, some one...
Mar31-03 04:54 PM
Yaveh
6 2,854
To begin with, thank a pubil and that puzzle divided by zero. What is the dimension concept? One dimension is a...
Dec11-03 01:33 AM
hey.like
0 2,915
I remember reading/hearing a few times now that everything is vibrational energy and our senses detect and convert...
Nov24-11 12:23 AM
Zula110100100
15 3,938
Hello. I read from a calculus book (Larson) that shape of comet's orbit is determined by its velocity in following...
Jun21-12 11:00 AM
D H
6 1,466
Why does water get that shape when poured out of a glass, almost like the nodes and antinodes of standing waves in a...
May23-14 03:19 PM
Andy Resnick
5 604
Hi, I need to know how much shock is needed to detonate a C4 plastic explosive for my report in chemistry. I...
Feb25-12 09:47 AM
Lok
8 4,143
i'd like to know if the shot at the beginning of Wanted when the man shoots the other man from inside his house and...
Dec12-09 03:58 PM
trini
10 3,078
Is a "henry" only produced by magnetic induction, in which case would produced one volt that allows the induction of...
May25-11 05:31 PM
Antiphon
1 956
The Doctrine of Wave particle Duality with its theories of the disassociation of particles (i.e the ability of...
May29-05 02:11 PM
McQueen
0 2,935
I remember recalling the SimCity 2000's future powerplant. It worked by recieving microwave and/or radio emssions from...
Oct18-04 12:46 AM
Mk
0 5,619
As I've posted before, I teach an acoustics lab to undergraduate physics students and, they are currently working on...
Mar6-09 06:46 PM
dipstik
1 751
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 1,397
To all, I have a problem I would like to solve and I need help. Just some background info to start. I was a member...
Aug15-11 08:47 PM
MadMike
22 2,599
Can anyone here give a knowledgeable appreciation of this Nature's paper? "Resonance effects indicate a...
Jan30-07 05:00 AM
Gerry Quinn
5 3,254
im learning that the weight of a coloum of mercury in a barometer is balanced by the air pressure working on the...
Jan28-08 05:48 AM
pixel01
1 2,019
Does intensity of the sun affect this? I keep trying to do it, and when you have a square shape you should still see...
Aug30-05 12:43 PM
shyboy
4 1,932
I understand why the sun is red,, due to most of the blue light of shorter wavelength being scattered in other...
Dec15-12 01:30 AM
Drakkith
3 913
For a magnetic fields lab I am asked to graph the data and from there, use the slope to find a certain value. For...
Mar25-13 04:26 AM
mfb
7 3,967
http://frieling.com/smellkiller.htm How does this work? The website suggests an explination of the metal traps...
Mar13-05 06:25 AM
Mk
0 1,298
On Apr 22, 1:52 pm, Igor <thoov...@excite.com> wrote: > Probably his > most interesting were his adventures in 5...
May2-07 05:00 AM
FrediFizzx
1 1,228
Ok so will someone please explain to me why it is that when you have a machine that produces 70 decibels in a room and...
Dec6-04 09:24 AM
Cliff_J
7 4,425
I just returned from a tenting trip. In a tent, one hears the sounds of night more plainly. I was struck by the fact...
Jul2-13 12:04 PM
anorlunda
0 515
I read that the source of all light/EM radiation is an electron being energized to a higher orbit, then falling back...
Jul6-08 02:40 AM
Crosson
6 3,174
Hey we've all seen those movies and documentaries where civilization has buil giant glass domes on The Moon or oher...
Dec20-10 08:38 PM
Protonic
7 1,378
in one of my previous threads i outlined an apparatus that i believe could be used to determine a fixed location in...
Jun17-04 10:32 PM
Janus
22 2,017
Hello. The other day i couldn't sleep, so i started to think. After some long thinking, i reached a concludion (i...
Apr9-03 11:38 AM
STAii
3 2,198
Hi everyone, I was working recently with a Michelson interferometer and measured the spectrum of the two pulses and...
Jul12-10 06:06 AM
snatcos
0 1,242
My friend was explaining to me once how the only faster then light is shadow. It was very odd. He said that if we have...
Dec5-09 11:17 AM
EsPhi
9 1,340
Hey all, I have a question that I've been thinkin about, that I find very interesting: What is the speed of force?...
Aug16-03 02:10 PM
Les Sleeth
16 3,949

Register to Post Thread
Bookmark and Share

Display Options for General Physics Mentors
Showing threads 30721 to 30760 of 37092 Mentors : 3
 
Forum Tools Search this Forum
Search this Forum :
 
Advanced Search