# Sub-Forums : General Physics

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May25-09 11:31 AM ZapperZ

# General Physics

- Nature and properties of matter and energy. For any physics topics not applicable to the categories below.
 Views: 8,430 Announcement: Two free ways to get Gold Membership! Jan17-12 Meta Thread / Thread Starter Last Post Replies Views Pinned: Recent Noteworthy Physics Papers ( 1 2 3 ... Last) The aim of this thread is to highlight recent (as in within the past 3 months) noteworthy physics papers that have... Jan31-14 09:33 AM ZapperZ 165 157,218 Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a... Apr22-11 06:27 AM ZapperZ 2 62,503 Hello , i m looking for examples for simple harmonic motion,.. how does this theory apply in daily life? I had... Jul20-08 04:49 PM Jon_ 2 776 Hello everyone :smile: I got a small question. In an electric motor when the coil rotates isn't this a change of... Jul20-08 04:36 PM pallidin 5 1,369 hi all i run in to some contradictions while studing electromagnetics. you know skin depth decreases when frequency... Jul20-08 02:49 PM uart 8 2,291 I am curious about how the end of a whip can break the sound barrier and produce the cracking sound. Does the end of... Jul20-08 11:03 AM Chaos' lil bro Order 4 1,883 Hi I read in some book that current creates magnetism. but what current? DC or AC currents? steady or... Jul20-08 09:19 AM eranb2 3 1,351 I understand that vacuum fluctuations can spring into and out of existence within a sufficiently short period of... Jul20-08 06:00 AM Chalky 0 662 Gravity is the mutual attraction between matter right? I heard photons are light particles, so would that mean theres... Jul19-08 07:45 PM pallidin 2 1,411 Hello :) We did a lab in class and the lab was about resonance of air columns. We used a tube and filled it with... Jul19-08 05:59 PM xArcherx 3 8,252 Why sweating on line occures when Air flow from high pressure(6.5kg/cm2g) to Low pressure(0.1kg/cm2g)? Is this... Jul19-08 01:49 PM FredGarvin 1 737 Hi. Lets say I have a lift with a man in it. The lift is moving upwards, and the forces acting on the man if im not... Jul19-08 12:21 PM uart 6 1,335 I was having a discussion about the cause/s of conservation of momentum with a friend and was given a very... Jul19-08 10:17 AM tiny-tim 6 1,560 On Jul 2, 3:18 pm, pirillo wrote: > Can someone give me a list of the commutation... Jul19-08 06:00 AM Rock Brentwood 7 1,948 ======== Welcome! to the Physics Newsgroups ========== The sci.physics.* and alt.sci.physics.* newsgroups are... Jul19-08 06:00 AM N:dlzc D:aol T:com $$dlzc$$ 0 402 hello everybody i thinks the velocity of proton in xiclotron will not increase because the mass proton will increase... Jul19-08 05:30 AM tuananh3ap 2 900 Please, I need a list of definitive experiments that revealed light's nature. Jul19-08 04:04 AM madmike159 1 1,246 Hi, I have a question regarding light, specifically artificial light. Please forgive me I am not a physics guru by... Jul18-08 08:47 PM Skewed 14 2,304 If I have a motor rated at a torque (at the shaft) of 350 NM (or app 235 ft lbs) and an rpm of 150 rpms. and I then... Jul18-08 05:10 PM thinkgreen 0 1,435 We all know that light speed in a vacuum is constant and travels 9.8 X 1018 meters in a year. Now since light... Jul18-08 04:56 PM Pumblechook 15 10,930 I want to know the color of heat waves, wavelength and the manner they travel from hot object to a cold object. Please... Jul18-08 03:51 PM Mazhar 0 891 For the last month I have been looking for the perfect snipping barrel for shooting a paintball. I have talked to a... Jul18-08 02:24 PM berkeman 9 1,524 I am on home oxygen and receive the gas through a 50feet long tube about .1" inside diameter.If the Machine delivers a... Jul18-08 11:51 AM uart 3 1,359 Hi All, I'm having trouble understanding why exactly there is a net force upward when an object is submerged in a... Jul18-08 08:48 AM Andy Resnick 18 1,769 Let's say we have a helium balloon carrying total weight of 1 kg. We set up 2 stations. Pumping station on the... Jul18-08 05:13 AM ZapperZ 4 1,852 I have been attempting to deduce the arrangement of electrons within a solid spherical conductor in different states... Jul18-08 03:30 AM James R 6 7,386 I have been working on this problem for several months. i wasn't even sure where to post this question, but it is in... Jul18-08 01:35 AM 403036387 0 827 Hello, If a car provided 10 N force and friction force is 10 N wouldn't the forces cancel out and be zero and... Jul17-08 02:00 PM LURCH 11 3,284 I am trying to analyze the physics of a 2d collision among polygons. I supplied you with an image that illustrates my... Jul17-08 01:05 PM beloxx89 0 1,427 i am tuan anh, i am from vietnam very happy when join this forums i have one question when i see the lightning in... Jul17-08 11:35 AM NightSwimmer 16 2,457 My question concerns thin films of varying thickness. I have a basic understanding of thin film interference, and... Jul17-08 11:14 AM ugresearcher 6 2,497 Does the speed of light slow down due to air resistance? I often hear about how the speed of light is constant in a... Jul17-08 10:11 AM Pumblechook 18 4,643 Hello guys, First of all I have small question with the electric motor. I just learned today in class that with... Jul17-08 07:58 AM sameeralord 2 5,804 Hello everyone, In the magnetic flux formula in our textbook it says Ø = BAcosø and somewhere else I saw it as... Jul17-08 07:52 AM sameeralord 3 21,476 "Tom Roberts" wrote in message news:oYebk.13086\$uE5.8897@flpi144.ffdc.sbc.com... > Dirk... Jul17-08 06:00 AM ajiko 19 1,733 Mods: I wasn't sure if I should put this here or in DE's, if you think it would be better there, feel free to move... Jul16-08 06:49 PM Andy Resnick 3 1,491 So I've been curious about thermal conductivity lately, and came across a good reference that showed the conductivity... Jul16-08 06:30 PM pallidin 6 2,758 hello everybody I have even heard about the effect Bifinda - Brauna I don't understand it who know this effect can... Jul16-08 09:38 AM tuananh3ap 3 950 Hi, I read some papers about Calabi-Yau surfaces but I have some basic questions about them if you can answer them for... Jul16-08 09:22 AM bham10246 0 892 On Jul 13, 7:53 pm, fasttrac...@att.net wrote: > On Jul 9, 10:19pm, Chalky wrote: > >... Jul16-08 06:00 AM Chalky 5 2,753 Determines the relationship between velocity and stopping distance linking this to the force applied on the passenger... Jul16-08 05:49 AM Twickel 0 1,348 Hi, Can anyone recommend article on thin film diffusion mechanisms and RTP (rapid thermal process). Thank you! Jul16-08 04:14 AM physicistX 0 1,068