# Classical Physics

- Principles developed before the rise of relativity and quantum mechanics. Mechanics, Electrodynamics, Thermodynamics, Optics...
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 Views: 458 Announcement: End of year contest, $75+$50 prize! Dec18-13 Meta Thread / Thread Starter Last Post Replies Views Before posting anything, please review the Physics Forums Global Guidelines. Again, for some odd reason, people... Apr22-11 06:26 AM ZapperZ 1 40,017 If acceleration can create a force like gravity, then all objects are accelerating? are they accelerating through one... Sep17-05 12:21 PM inha 1 778 This is more of an automotive question I guess but anyways: I'm pretty familar with how torque and horsepower are... Apr15-09 02:28 PM Bob S 3 778 How does Hubble Space Telescope (HST) re-orient itself; and what is an underlying mathematical description?... Apr23-09 05:50 PM mgb_phys 1 778 Hey all, I have a lab coming up that deals with the emission spectra of H, He,Ne,Hg, and N_2 I am looking around... Oct31-09 07:34 PM blkqi 3 778 My lecturer writes the following in his lecture notes: “ Covalent: Usually saturated, and usually form short scale... Aug17-10 04:40 AM hasan_researc 0 778 why is it that when we change the light from un polarized to polarized light the intensity goes to half its value and... May20-11 02:19 AM elabed haidar 6 778 For calculating I of a uniform solid sphere, why can't we use thin spherical shells? When I try to use spherical... Jun10-12 09:27 PM haruspex 1 778 Hi I've built a NST 15kV tesla coil and I hooked it up today and it kinda didn't work. I'm wondering if anyone... Nov8-12 02:07 AM K^2 4 778 Hi I have a ball, and I'm lifting this ball upward with +work, and gravity is doing -work, Net Work= zero. But how... May1-13 11:04 AM PhanthomJay 9 778 Hello everybody This snippet works if you insert 0 as spin around the z -axis, i.e. the angular velocity around the... Aug11-05 05:23 AM echoSwe 0 777 Something strange showed up while I was thinking about the following problem: I'd like to prove, by the only mean of... Jun13-09 09:55 AM Mapes 3 777 I've been looking over an old exam for one of my classes, and cannot decipher the train of thought used in solving (or... Dec10-09 07:57 PM Newtime 4 777 When calculating the degrees of freedom for a particular molecule, how do you know which degrees will be frozen out at... Mar4-10 06:05 AM Identity 0 777 I learned about G (the gravitational constant) a while ago, but ever since then it was bugging me. I did not like how... May8-10 11:40 PM russ_watters 5 777 the equation for grav accel. is: g = GM/r^2 (1) where M is the total mass of the body in question... Feb22-11 05:49 PM A_B 5 777 Heres's the situation: A neutron enters a block of Gadolinium, it gets absorbed at some point and emits an electron... Mar27-11 07:12 AM Meir Achuz 6 777 If I have an elastic formin a helix which i've turned N times and have a radiu r... it connect two masse m (one of... Jun27-11 08:35 AM ardie 2 777 //deleted Nov27-11 04:37 PM MarcAReed 0 777 http://answers.yahoo.com/question/index;_ylt=AqyNw3Y4QdH_OXXIg3ex32zty6IX;_ylv=3?qid=20110721131420AALC0k4... Jul22-11 05:05 PM Nightsheron 0 777 An electrically charged particle has an electric field centred around itself that extends far into space. That... Jan15-12 10:42 AM atyy 2 777 Just like the subject, I have a beam with the bottom fixed, when a concentrate force is applied to the beam, the beam... Jan23-12 11:39 AM jc395074399 0 777 Recently I've become fascinated with Gyroscopes and how they work. I am a high-schooler that only has a small physics... Apr6-12 04:07 AM haruspex 1 777 Consider the following theoretical cycle. There should be a flaw somewhere, but I could not find it yet and will... Jul19-12 02:37 PM Ambforc 8 777 In single slit fraunhofer diffraction, only the light which goes near the slit is diffracted... If it goes just... Nov19-12 09:36 PM Drakkith 6 777 Hello all - a quick question that I can't seem to find an answer to online that I trust... While the conventional... May7-13 01:59 PM nsaspook 16 777 take a randomly drawn surface,put some charge inside it,this surface should be having some sharp features.if this... May2-05 10:24 AM Doc Al 4 776 can someone suggest a good resource on this at the level of hecht that is not hecht? maybe an online resource? Oct25-07 05:42 PM ice109 0 776 My book first introduces expressions for work and energy by referring to concepts from mechanics and gravitation. It... Feb3-09 02:41 PM Seraph404 1 776 In the vicinity of antenna, electric field strength have terms that vary as 1/r, 1/(r^2), and 1/(r^3). The terms... Oct27-09 06:59 AM hectoryx 0 776 is there no stress when a net force is not equal to 0 ,i mean that whenever we talk about stress why is the net force... Dec21-09 06:45 PM Andy Resnick 9 776 I'm trying to figure out the interaction between the stereo of a car and the wind/road noise coming from outside. I... Sep28-10 05:36 AM xxChrisxx 2 776 What is wrong with this computation ? (1) Mass of earth's atmosphere is 5 x 10^18 Kg. (2) The heat capacity of... Feb21-11 11:37 AM JaredJames 1 776 Hi all, I hope that I'm posting in the right section of the forum. If not, I kindly request a moderator to move the... Feb28-12 07:39 PM BaCaRoZzo 0 776 Imagine two cylinders in which one cylinder in within another.(Please refer attachment) The annular space between... Nov6-12 11:21 AM nasu 2 776 Alright, let's see what ideas everyone comes up with on this question. I'm no optics guru, so I'm hoping you have... May10-12 02:37 PM edge540t 2 776 Hey everyone. I'm new here, but I figured I would jump right in. First of all, if this forum is anything like the... Jun19-12 01:10 PM Wolfman29 0 776 Its been many years since i studied mechanics at school and I need to know how to calculate the force applied to a... Aug14-13 11:50 AM Nugatory 5 776 Both arrows have the same angles http://imageshack.us/photo/my-images/337/drawingz.png/ How can I find the net force... Nov8-12 08:27 PM Evo 3 775 Is it correct to assume that two objects, with different masses, dropped from the same height at the same time will... Dec30-12 07:25 PM tiny-tim 8 775 I've theoretically proved that heat to work can be converted at 100% efficiency by proposing a system, named as the... May3-13 07:59 AM Vanadium 50 7 775

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