Issues Definition and 429 Threads

  1. C

    Solving Windows Vista Business Issues: Please Wait While TPM is Connected

    i shut down all applications in my windows vista business using msconfig. now, everytime it boots my computer displays a message "please wait while TPM is connected". also the clock always shows wrong time and date. what's wrong?
  2. T

    LaTeX Citation Formatting Issues with APSR.bst

    I am having difficulties with my citations. I am using apsr.bst as my style and want my citations to appear in the following format: lastname year or lastname & lastname year without any parentheses or commas. Currently, every style I have tried (apa, chicago, apsr), shows up in the...
  3. L

    Mastering Coulomb's Law: Troubleshooting Sign and Distance Issues

    [b]1. Homework Statement [http://img44.imageshack.us/img44/1104/58339946.jpg ][/URL] [b]2. Homework Equations [F=k*abs(q1)*abs(q2)/r^2] [b]3. I understand the equation, but I am having trouble with my signs and also how to include the distance in the equation. I know that the...
  4. G

    MATLAB Comsol w/Matlab: CLI vs GUI issues

    Hi all - I've been working on some code in Comsol w/ Matlab that works fine on any machine I run it on - so long as I run it through the Comsol w/ Matlab GUI. No matter which machine I run it on, the program fails if I run Comsol w/ Matlab through a CLI. Specifically, the geominport()...
  5. Integral

    Did Fixing a Single Wire Solve My Chrysler 300m's Electrical Problems?

    I drive a '99 Chrysler 300m. Recently on an hour long freeway trip the interior lights were randomly turning on, then after a random time from a few secs to minutes they would turn off. At first I thought a door ajar sensor was flaky, but then realized that the dash display did not show a door...
  6. S

    Stuck on a complex ODE (conjugate issues )

    Hi everyone. I'm stuck on a problem, banging of head etc. Basically, I've got a time-evolution problem restricted to the positive quadrant of complex space, where the state of the system \psi \in \mathbb{C} is described by the following type of ODE: \frac{{d\psi \left( t...
  7. M

    Solving Diff. Eq: p & dp/dx Conditions, Mesh Creation

    I am trying to solve this differential equation: http://sites.google.com/site/theuntouchableproject/" I believe i can come up with 2 boundary conditions for p and dp/dx. i want to create a mesh such that i can solve this equation at different locations that i perscribe. What methods can i...
  8. P

    Dot Product Issues Homework: Vector A and 4 Vectors

    Homework Statement Vector A and four other vectors that have the same magnitude but differ in orientation. a) Which of those other four vectors have the same dot product with A? b) Which have a negative dot product with A? http://img195.imageshack.us/img195/7079/40191924.th.jpg (Those...
  9. E

    What are the issues when using Solar Cells in Ocean Environments?

    This question would perhaps be an ocean engineering question, but since we don't have a forum for that, I thought mechanical engineers would have some idea about this. My background is electrical engineering, and I have little knowledge about the mechanical issues when operating at the surface...
  10. Q

    Solving Photocoupler Issues with Digital Potentiometers

    Hey All, I am working on developing a current source which utilizes photocouplers (PC817s) on the connection between a digital potentiometer and a PC. I have the photocouplers (not the digital pot yet) so I am trying to verify that the photocouplers are working as expected. The way the circuit...
  11. S

    Switching to a Matrix Hamiltonian - Conceptual Issues

    Switching to a Matrix Hamiltonian -- Conceptual Issues It's probably very clear and well-established for those who rigorously studied Quantum Mechanics but I don't think what I am going to ask is easily 'google'-able but if it is so - please send me to the correct source before spending time...
  12. X

    Connecting 460V Motor to 480V Supply - Issues & Risks

    Is it against code in any way to have a 460v motor connected to a 480v supply voltage? What problems can be encountered when doing this? Thanx
  13. Z

    Additional Group Theory Issues

    I really don't get this group theory stuff at all. These should be simple questions, but alas not... Homework Statement Assume that * is an associative operation on S and that a is an element of S. Let C(a) = {x: x is an element of S and a*x = x*a} Prove that C(a) is closed with...
  14. A

    Solving Momentum Issues: 98kg Man & 86g Stone Speed Calculation

    1. The problem statement: A 98 kg man lying on a surface of negligible friction shoves a 86 g stone away from himself, giving it a speed of 4.5 m/s. What speed does the man acquire as a result? 2. Homework Equations : Pi = Pf M1V1 + M2V2 = M1V1 + M2V2 3. The Attempt at a...
  15. Y

    I am building a mouse trap car and I have several design issues.

    1. How to attach my wheel, plastic lids with rubber bands around, and axle, a wooden dowel rod 5/8 in diameter, to the car body, which is a board of wood? I used a wood block and attached the too the body and drilled a hole big enough to slide the axle. I also put a piece of aluminum around...
  16. H

    Troubleshooting Cursor Issues on Toshiba Satellite A300 - 15M

    I have a problem with the pointing device or any external mouse connected to my Toshiba Satellite A300 - 15M. I use windows vista. When I just move the cursor above any icon, it selects it as if I clicked on it! and if I clicked the icon once, it opens as if I double clicked it! Also when the...
  17. T

    Determining g with a Compound Pendulum: Issues with Uncertainties

    Hi all! I'm currently doing an experiment using a compound pendulum trying to determine the value of g. I have a problem with my uncertainties: Error in period T: The period is measured with the use of a photo-gate of accuracy +/- 0.0001s. For each height i did 20 measurements from which i...
  18. M

    College Housing Issues How do you deal with someone like this?

    So since I'm a freshman, stuck in a tiny dorm for this year that I pay about $7000+ for (which I share with another person I may add), I am eager to get out of university housing. I've taken a look at several properties and my plan was to move in with my friend, a girl who I've known since...
  19. N

    MATLAB Saving MATLAB Figures as PDFs: Issues & Solutions

    Hey all, after producing a fig. with matlab, I save it as a PDF. But upon opening the pdf it seems to cut the fig to a portrait page, when the figure is actually a landscape image. Any ideas? For an idea of what's going on, see the attached file.
  20. B

    Quarks: Confinement Issues & Free Particles

    I'm struggling to get to grips with the idea that quarks cannot be observed as isolated particles due to confinement and yet existed as free particles during an early epoch after the big bang. Surely quarks aren't actually confined if they can exist at high enough energies. In fact aren't...
  21. K

    Issues testing a tachometer with a function generator

    I am on an assignment to test the domain of input values of a tachometer, and what output (deflection) different values correspond to. In other words, what's the minimum and maximum signals and what does the curve look like? The trouble is I can't get ANY useful information. The tach has...
  22. N

    Troubleshooting Bibliography Issues in PDF Output

    Hey all, My bibliography is not showing up in the PDF output, and I'm not sure why.. The bib file is in the same directory as the the main tex file. I am using the command: \documentclass[a4paper,twoside,11pt]{book} \usepackage{calc} \usepackage{setspace} \usepackage{graphicx}...
  23. P

    Is There a Fix for COMSOL Script Null Pointer Java Error?

    Hi, Is there anyone who can help me with COMSOL Script? Is there anything wrong with this statement: flclear fem g6=rect2(1.0E-6,11.0E-6,'base','corner','pos',[0,0]); clear s s.objs={g6}; s.name={'CO1'}; s.tags={'g6'}; fem.draw=struct('s',s); fem.geom=geomcsg(fem)...
  24. M

    Issues with graduating in the fall

    I'm a second year physics major and I'm considering starting a co-op job doing research starting this summer. The outcome of this is that I would end up graduating in the fall, and my plan after school is to get a PhD. Since hardly any PhD programs start in the spring, I'd have a good 9 months...
  25. physics girl phd

    Split from Team based learning part 2: educational research issues

    I just won my grant application (just for a mini-internal grant offered through our university's "Innovative Technology Center", just enough to give myself and my undergraduate student travel funds) to support our study of our implementation of team-based learning. Yeah! :biggrin: :biggrin...
  26. K

    Understanding Incline Planes & Vector Issues

    This is just a basic incline plane problem. I know how to do it, but these sign conventions and vector issues are what confuse me. I know that I align my coordinate system so the x-axis is basically the surface the block is resting/moving on, the net weight vector of the block will be directed...
  27. N

    Understanding the Maclaurin Series for Trigonometric Functions

    The question is Find the Macluarian Series for f(x)= cos x. Not a hard problem. What I'm having an issue with is Maclaurian series over all. I don't really understand them and how to use them. Our textbook discussion on it is not very helpful either. Can anyone point me in the right direction...
  28. MathematicalPhysicist

    Grading issues (transforming from letters to percentage and vice versa).

    Can someone please help me converting grades from percentage to the letters system? In the states if I'm not mistaken: 95-100:A+ 90-94:A 85-89:B+ 80-84:B 75-79:C+ 70-74:C 65-69:D+ 60-64:D below that you get F. Is this correct? Anyone knows how it goes with colleges and univs at...
  29. TheStatutoryApe

    Wireless Mouse Battery Life Issues

    I bought a fairly cheap wireless mouse a while back. With the batteries it came with it lasted quite some time, at least a few months, before it died. I bought new batteries from the store that were on sale and put one in. About a week later I found that the usb plug had come detached from...
  30. 4

    Troubleshooting Computer Power Supply Issues

    my power supply for the computer has just burnt resently for the second time in less than twom weeks i obviously have to buy anothr one but am a bit hesitant cause i can't figure out y they keep burning nd the fault is not with my plugs please help wer u can...!:biggrin:
  31. T

    MATLAB 2nd Order Non-Linear ODE in MATLAB Issues

    Hey everyone, Having some trouble here using the solver we were supplied and modifying it to fit our problem... I have a wire with a current flowing through it. I'm trying to find the temperature distribution wrt. position in the wire. BV's are: T(x=L/2) = 300K dT/dx (x=0) = 0 (Apparently...
  32. R

    Ontological & topological issues wrt. the 'multiverse'

    Basic premiseses: Any universe can be expressed using a suitable topology containing points. At least the following (coherent) definitions exist for the multiverse (there can be more/others): 1. Topological disconnected universes Universes which could be very much the same as ours, and could...
  33. D

    Struggling with Integration: A Call for Assistance

    Integration Issues...a bit urgent Hey having problems with five of my assignment questions, any help would be appreciated. Homework Statement (problems attached) Homework Equations The Attempt at a Solution For the first one, I tried to solve it by using the sin-1 x as 'u'...
  34. M

    Laser current modulation issues

    I'm working with a couple different diode lasers, attempting to automate control of them (on and off mainly) by modulating the source currents externally. One of them is a green laser that draws ~1.4A, 3.3V but has no modulating chip in the power line. I've got another smaller red laser module...
  35. E

    LaTeX Solving Latex Bibliography Issues

    [SOLVED] latex question When I compile that with the texnic center, the numbering the bibliography is messed up. Does anyone know why?
  36. F

    Telescoping Sum Convergence: Explained and Solved with Examples | Homework Help

    Homework Statement The problem asks me to express the sum of the series as a telescoping sum, then find whether it is convergent or divergent. Ok, I get that and how it works and all, but the examples they give in the book are stupid and i on spring break this week so no office hours for...
  37. DaveC426913

    Troubleshooting Paypal Credit Card Add Funds Issues

    It's been a year or two since I gave up, so I guess I'll subject myself again. Why am I unable to add funds to a Paypal account from a Credit card? It's like it has never occurred to them that anyone might want to do this. I am not about to attach my bank account information to anything...
  38. S

    Solving Interference Issues in Circuit Testing

    Hello, I am making a circuit which runs a large current through a material at intervals, heating it, which then temporarily stops to make a resistance measurement. Each individual circuit is not an issue in itself, nor the timing of it since I have a computer interface which can grab analog...
  39. S

    Pros, Cons, and Moral Issues for Space Colonization

    That is the question at hand and it's for a first year biology course. I have my sources and I have my opinions on the matter, but a lot, if not all, of my sources are popular sources from magazines or mainstream science sites. I was wondering if anyone knew any journal articles in academic...
  40. M

    PC Window Disappearance Issues

    [SOLVED] Computer Help! When i minimize any of the windows it just dissapears and does not show on my taskbar! Any help would be great =/
  41. E

    Redshift Issues: Understanding the Light-Metric Coupling in Cosmology

    I have some issues with the current understanding of the cosmological red shifts and their interpretation using the spatial variation in the metric with time.To make the argument clear, I'm also posting pictures. The universe is depicted as the surface of a sphere but that doesn't affect the...
  42. G

    Solving Lemon Battery Issues: Cu/Zn, Voltage, Current

    I am demoing a lemon battery made with a copper sheet electrode and a galvanized nail for the Zn electrode. I get a voltage of 0.954 volts from the battery which slowly decays over time. Why is my voltage this close to the 1.1 V expected value if my concentrations of copper and zinc ions are...
  43. Ivan Seeking

    Exploring Microalgae as Solutions to Global Fuel Issues

    It may be valuable to consider microalgae as a potential solution to a number of problems; not the least of which being the energy problem. Algae can be used to produce biodiesel, ethanol, and hydrogen, as options to the use of petroleum based fuels...
  44. Z

    Troubleshooting Data Input & Output Issues

    1. INPUT DATA (porta) A3 A2 A1 A0 L1 0 0 0 0x01 0 0 0 0 1 L2 0 0 0 0x03 0 0 0 1 1 L3 0 0 0 0x07 0 0 1 1 1 offM 0 0 0 0x0f 0 1 1 1 1 Output data(portb)B7 B6 B5 B4 B3 B2 B1 B0 L1 0xf9 1 1 1 1 1 0 0 1 L2 0xa4 1 0 1 0 0 1 0 0 L3 0xb2 1 0 1 1 0 0 1 0...
  45. S

    Why Does Changing the Orientation Affect the Results in Stokes' Theorem?

    -------------------------------------------------------------------------------- I am having some issues with this problem... F=( x+y, y+z, z+x) bounded by the plane with vertices at {2,0,0},{0,2,0},{0,0,2} I need to do both sides of stokes thm and I am running into problems when I try...
  46. N

    Few problems I've tried but still had issues on

    #1 : A 300g bird is gliding through the air toward the east at 8m/s. A 10gram bug is buzzing along toward the west at 5ms direction toward the bird. The bird opens his mouth and swallows the bug. What is the velocity of the bird immediately after swallowing the bug? Using conservation of...
  47. T

    Diagnosing Internet Issues with DSL & Broadband

    Something weird is happening to my internet. I have DSL and broadband as a phone company, my router is a d-link. Anyways, a couple of months ago nothing would happen when the phone rang, but now everytime the phone rings and gets turned off (after ending a call turning off the phone), my...
  48. T

    Contemporary issues in crit safety?

    After a brief venture over into the medical/RHP side of things, I find myself drawn back into nuclear engineering. Glad it happened before I got too deep into something else! I've just started working on my MS, and I am trying to find some sort of direction for myself. Anyways, one subset of...
  49. T

    Java Fixing Syntax Issues with Java File Inputs

    So I made a program that finds files and searches in them for key terms using the scanner class in java.util.*; I've written it something like this: Scanner filereader = new Scanner(System.in); String filename = filereader.nextLine(); Scanner searcher = new Scanner(new File(filename)); The...
  50. Shahil

    Discontinued Programs - Legal Issues

    Hi ... I learned to program in VB6 (the last version before .NET came out) and am going to use VB to programme a few apps for a project of mine. Now, after doing some research, Microsoft have discontinued producing VB and I've heard that Microsoft are going to stop support for VB in the near...
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