Classical Physics

- Principles developed before the rise of relativity and quantum mechanics. Mechanics, Electrodynamics, Thermodynamics, Optics...
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 Views: 201 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 39,989 Hi! Great website I just wished I had discovered it earlier. :smile: Here is my simple question and I would... Dec23-09 06:38 AM AzeemA 6 9,006 I am looking for a formula to determine what speed an object will fall with a known height and weight. For example a... Jun22-08 04:52 AM stewartcs 5 8,997 Hello, I have a quick question that I imagine anyone who has studied physics or math at a university can answer... Jan13-12 07:46 AM Claude Bile 48 8,992 What are you able to derive or integrate from a voltage vs. time graph? Like if I have a battery and a resistor and... Oct21-09 04:15 AM mikelepore 4 8,987 Why is the SI unit for acceleration \frac{m}{s^2}(meters per second squared) when it is actually \frac{m}{\frac{s}{s}}... May15-08 09:30 PM ffleming7 3 8,972 Hello, I need to calculate heat flux in W/m2 through a small cylindrical steel bar measuring 12mm length x 2mm... Oct25-10 02:11 AM Con?used 2 8,968 What is the potential energy of a uniformly charged spherical shell; i think it is called the self energy of shell. Feb3-08 12:19 PM Shooting Star 13 8,962 From experiment, it's easy to see that if we balance an industrial sized broom with one finger at it's center of... Jan4-07 07:14 PM PhysMaster 7 8,960 If we consider an isolated system in which a process occurs, then according to the clausius inequality : dS \geq... May18-09 12:51 PM Andy Resnick 32 8,958 Mass on a string undergoing uniform circular motion by hand: I was taught that the centripetal force F = mV^2/R is... Feb5-10 02:27 AM rcgldr 7 8,957 Dear forum users Firstly, I wanted to post in the General Physics area, but it wouldn't let me create a new thread... Apr12-09 06:45 PM Fullperson 3 8,953 Energy conservation ( 1 2 3 ... Last) Energy can be neither created nor destroyed. What is energy?. ability to do work. what is work ? work = force x... Jul11-07 09:45 AM Doc Al 88 8,952 Hi, From knowing that the 3D harmonic oscillator has 3 degrees of freedom, how do you conclude that the average total... Sep29-09 08:43 AM conway 15 8,942 If water and vegetable oil are added to a bowl, they do not mix. If gasoline and vegetable oil are added in another... Dec27-06 09:39 PM Gokul43201 32 8,942 work done in an reversible process is easy to find we have the function of P internal bt when it comes to irreversible... Nov1-08 07:52 PM Count Iblis 3 8,930 So here's a pretty straightforward question. Given a cylinder with some specific mass and radius rolling down an... Feb23-07 11:59 AM arunma 5 8,922 I am new here and have always loved the history of science as much as the science itself. I have been intrigued by... May6-10 10:11 AM James A. Putnam 113 8,911 Could someone explain me in detail the differences between an inertial reference frame and a non-inertial reference... Jan16-05 08:32 AM marlon 3 8,908 I am having trouble going about proving the Lorentz invariance and non-Galilean invariance of Maxwell's equations. ... Nov27-07 04:13 AM Mentz114 4 8,908 I was wondering if there was anyway for me to calculate pressure, velocity, momentum and more on a bottle rocket made... Oct9-06 02:56 PM marcusl 2 8,903 is acceleration absolute ( 1 2 3 ... Last) is it, cause velocity isn't. Jan15-11 05:12 PM Mueiz 60 8,902 I've found this video on the web: http://www.youtube.com/watch?v=TIhPayFBE9c&feature=related and id like to be able... Sep12-09 06:31 AM Born2bwire 11 8,876 While I understand the use of the Lagrangian in Hamilton's principle, I have the gut feeling that there is more to it... Sep29-04 11:12 AM alexepascual 43 8,874 Is there any electric field outside the region between the plates of a parallel plate capacitor? What about near the... Feb9-11 02:59 PM Abdul Quadeer 10 8,872 I understand that the two terms are not synonyms in the engineering context, but I never really understood the... Jun19-10 12:55 AM koolraj09 24 8,842 Hello all. I am doing some research on the space shuttle for a class project, and I am having some problems with my... Jul16-04 12:47 PM JonasS 9 8,836 Hello, For a reversible heat engine between temperatures T_1 and T_2, the ratio of heat going in and out the engine... Sep23-10 07:48 AM DrDu 116 8,831 I'm having trouble understand this proof of Carnot's theorem, and I would appreciate it if someone could point out... May15-13 11:10 AM Swarnali Hait 4 8,816 I am reading an electrodynamics book to grasp the concept of bound and free charge, esp in conductor and dielectric. I... Nov21-08 11:46 PM FourierX 5 8,803 Hi All, I'm doing a study on effects of outside temperature on the energy efficiency of air-conditioning systems in... Feb26-10 08:33 PM russ_watters 5 8,797 I've attached a diagram of a bar magnet being plunged into a solenoid. I'd like someone to explain the direction of... Jan23-12 09:08 AM mishi003 7 8,796 Anyone ever gotten the physical interpretation of S (if it has a reasonable one?) ? ... I'm remembering something like... Nov8-04 02:58 PM PerennialII 0 8,785 I seems very simple, and I'm sure I understood it before, but for some reason I suddenly started to get confused with... Sep22-08 05:07 PM atyy 53 8,785 Is heat always the factor that determines the colour of a flame? Is there a way of approximating the variations in... Aug20-04 06:01 PM vsage 10 8,781 May be this question has been asked multiple times here i was just unable to search it by topic or search term. The... Oct23-12 03:31 PM Naty1 14 8,765 Does any one know the proof for newton's law of gravity, because i looked in a lot of books for this proof but i... Jun15-05 06:32 AM Juan R. 18 8,753 correct me if wrong an accelerometer consists of a mass(proof mass). say the proof mass is x kg. The accelerometer... Aug23-06 09:51 AM WhyIsItSo 2 8,745 What are the equation(s) for circular waves such as pebble dropped in a pond. Oct17-05 05:38 PM ZapperZ 8 8,740 I was just wondering if anyone has any idea on how I would go about working this out. I have performed the experiments... Sep28-08 10:35 AM Redbelly98 5 8,738 I am having a little trouble understanding this and I was wondering if I could get some help. I understand that... Mar5-11 11:29 PM Xyius 7 8,738

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