online classes

  1. A

    Courses Online Physics 2 Course?

    Hi, I was wondering if anyone knew of an online calc-based physics 2 course with a lab? I know it's a lot of criteria to match and I've had a pretty hard time searching, but I thought I'd ask in case someone else has taken or is aware of something! I need to take it this summer in order to be on...
  2. F

    Introduction to QM - help

    Hello guys, I just finish my first year at uni Phys and Maths,and would like to self teach Quantum Mechanics during this summer, as so I was wondering if you guys could suggest me any good full online courses/ lectures available on the web . I have found from neptel from Oxford Bookwise...
  3. P

    Series Tests and Taylor Series

    Have a quick question about taylor series. We covered taylor series somewhat in class, but there was a complete lack of explanation and our calculus book literally covers the topic in a single page. I understand the idea of a taylor series and how its related to a power series, but what I don't...
  4. Elnazar

    I want to pursue a bachelor in Physics while working full-time. Any good options out there?

    Hi guys! My apologies if this has already been posted, I couldn't find anything. I'm on my way to finish my Bachelor in Business Management in February at the age of 21. I come from a small town in Europe and worked my ass off to the point where I currently have lucrative job offer straight out...
  5. M

    Online jobs for college students

    As a full-time freshman in college, I am currently working at a bakery about 10 minutes from my home. I attend a commuter campus, and it takes me 40 minutes to get there from my house. I've been working at this bakery for a year. In high school I was able to work 4-5 evenings a week for a total...
  6. F

    Dependent upon solution manuals and rant about school

    I hate to admit this, but at the same time its true. I have worked as a math tutor for 6 years. I have poured everything I've ever had into studying math and physics for the last 6 years as well, but one thing I just dislike is when I have to learn a new subject for the first time while taking...
  7. marcus

    Spin foam phase space, classical action (Wieland's talk is online)

    Wieland gave his ILQGS talk yesterday, 16 September. Audio and slides are on line. Title: Covariant loop quantum gravity: Its classical action, phase space and gauge symmetries http://relativity.phys.lsu.edu/ilqgs/wieland091614.pdf http://relativity.phys.lsu.edu/ilqgs/wieland091614.wav The...
  8. R

    Using couette flow/viscosity to find force

    [b]1. It is a rainy day in Houston. You are a poor student (or TA or professor) with an old car that has bald tires. You are traveling at 60 miles/hour and you slam on the brakes (i.e., your wheels are no longer turning. Assume there is a layer of pure water 0.1 mm thick between your tires and...
  9. deedsy

    Divergence in cylindrical/spherical coordinates

    Homework Statement I'm just having trouble understanding a step in my notes from class.. We're talking about how to derive the divergence in other coordinate systems. Homework Equations So, we are deriving this divergence formula in spherical coordinates \oint \vec{A}\cdot d\vec{A} = \int...
  10. 9

    Calculus Confusion: limit of sin(x)/x

    Today was our first lesson in our high school's accelerated calculus class. The class is our school's most second most difficult math (behind multivariable calc), and prepares you for the AP BC calc exam, but material not present on the BC test is covered in class. It is really a college level...
  11. B

    GR: Metric, Inverse Metric, Affine Connection Caluculation Help

    Homework Statement Consider the Schwarschield Metric in four dimensional spacetime (M is a constant): ds2 = -(1-(2M/r))dt2 + dr2/(1-(2M/r)) + r2(dθ2 + sin2(θ)dø2) a.) Write down the non zero components of the metric tensor, and find the inverse metric tensor. b.) find all the...
  12. B

    Gaussian Wave packet

    Homework Statement Wave function of an electron: ##\frac{1}{N}∫_a^b[e^{ik_0x}(1+\frac{1}{2}e^{i\frac{0.1}{2}x}+\frac{1}{2}e^{-i\frac{0.1}{2}x})]dx## The integrand becomes zero both to the left and right of x = 0 . Let a be the first time it hits zero to the left and b the first time it...
  13. A

    How can I self study a subject effectively?

    There are some classes that are not offered at my university, which I want to self study. How can I self study them effectively to get the same benefit as doing the class at university? There is this class MIT 6.024j Mathematics for Computer Science which I very much want to take online...
  14. robphy

    TabletPCs for Science and Science Teaching [blog entry from 2006]

    This old blog entry is being reposted here for archival purposes because the blog system is being removed. TabletPCs for Science and Science Teaching (Message originally posted by robphy on May20-06 at 06:45 PM.) Although the TabletPC (see also wikipedia entry on the TabletPC) was...
  15. M

    Schools Need Help with Advanced (Past AP) High School Courses

    I'm going into Senior year. I live I have taken 9 (3 I paid for so they don't count as dual enrollment) dual enrollment courses and next year I'm taking 4 more. I've reached my limit on college dual enrollment courses yet I have 2 spots in my schedule. I would like to use these to take...
  16. L

    Online password requirements have gotten ridiculous

    I've noticed that websites have started getting ridiculous with password requirements. I like to use the same password for everything, so I don't get confused about which account has which password. It's a pretty good password. It's a combination of letters and numbers and it's 8 characters...
  17. wired nuts

    Online versus traditional engineering classes

    I am only able to take nine hrs of traditional classroom setting a semester how much more difficult are online classes in this field as opposed to traditional
  18. B

    Anyone Ever Taken an Online Math Class?

    My school offers online courses and I'm considering taking one for Precalculus (to brush up on my skills before taking Calc.). My question is whether or not taking an online course for math of all subjects would be detrimental in anyway. I'm not even sure how it's structured (still awaiting...
  19. cpscdave

    Electromechanics homework problem help

    TLDR; I'm looking for a good online source for electromechanics material I can pre-learn prior to taking the course at university Hi folks, In the fall I'm starting my last semester of EE, and one of the courses we have to take is Electromechanics. We just found out who the professor is...
  20. S

    Bad situation, need advice.

    Hi physics forums, I'm in a bit of a situation and I was wondering if anyone could offer some advice. I'll start out describing the problem. I am currently a senior in high school but there is this program where I can take two classes at the local university. My original plan was to take calc...
  21. trollcast

    Good intro to EE theory

    I'm going to be starting university in september studying electrical engineering and I'm just looking for a textbook, website, online course or whatever to give me a bit of a refresher / head start on basic EE theory. In high school I have covered topics like faradays law, basic Kirchoffs laws...
  22. A

    Designing a Merry-Go-Round

    Hi everyone, I'm charged with designing a merry-go-round for a class project. It is to be driven by an electric motor and I chose to power it with a gear train. I need to pick a specific horsepower motor to drive the pinion and subsequent gears after it, finally leading to an inner ring gear...
  23. Tesladude

    Help -- car stereo is acting up with hand made amplifier

    I am adding 2 extra rear speakers in my jeep, I have some rca cables comming from the rear speaker pre-amp outputs from the back of my pioneer stereo. My plan which works beutifully is a dc-dc boost module bringing the cars 12v up to 20 for the main amplifier. The main amp is a 2x25...
  24. L

    Programs Online degree programs

    Hello to all on the forum. I was wondering about online undergraduate degrees. I turned 25 in May and am pursing a BS in Mathematics at my local university. However, I find myself failing a lot. It's not because of the material but my lack of availability to attend classes and submit assignments...
  25. PsychonautQQ

    Intertwining Maps

    Homework Statement My online class notes: "Along the same vein as linear maps between vector spaces and group homomorphisms between groups we have maps between group representations that respect the algebraic structure. Definition 3.1: Let (p,V) and (q,W) be two representations of a group...
  26. R

    Programs Free online introductory classes good method of choosing an eng.major?

    I am an upcoming freshman. I will major in engineering. When applying to the school I chose mechanical because of its "versatility and stability in the job market." (I don't fully understand the meaning of these phrases; I get my knowledge from anecdotal experience when browsing forums). I may...
  27. PsychonautQQ

    Disjoint Cycles Commuting

    Homework Statement I'm taking an online class this summer and the notes gave the proposition that Disjoint Cycles Commute with the following proof. Proof. Let σ and τ represent two disjoint cycles in Sn and choose some arbitrary j ∈ {1,2, . . . , n}. Since σ and τ are disjoint, at most one...
  28. hawk071054

    Entering aerospace

    Greetings PF. First off, I just discovered this site and I've already found it to be quite valuable. Cheers to the moderators! Now then, my inquiry. I have been accepted into an aerospace engineering program and have made plans to return to school full time this fall. I barely made the...
  29. X

    Coping with triple integral

    Hi... So I've been self-teaching Calculus III and I'm currently having a hard time coping with the idea of triple integration. You know how the integrand is f(x,y,z)? isn't that the equation to represent a 4D sketch? because technically, f(x,y,z) is ANOTHER VARIABLE and therefore giving us a 4...
  30. S

    Newbie looking for guidance - How start learning electronics?

    Newbie looking for guidance -- How start learning electronics? I know this is going to sound strange... but I am the biggest newbie you guys will ever see :) I don't know the first thing about math, science, physics, etc. Actually going through school I actually got kicked out because I just...
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