Figure Definition and 608 Threads

  1. ArcanaNoir

    Can't Figure Out How to Get Adobe Software for iPad?

    I have read that Adobe put out software that can help the ipad with flash, by sort of "translating" it in the browser. My problem is, I can't seem to figure out where/how to get this software on my iPad. I'm not even sure what it's called exactly. Anyone know?
  2. G

    I am trying to figure out how to refer to two overlapping uncertainty

    I am trying to figure out how to refer to two overlapping uncertainty results. I have to write a conclusion and I find it difficult to explain. Even now it may seem unclear as to what I am referring to so I will provide an example. This is directly from my conclusion. 'The 72 rated golf ball...
  3. F

    Question in centroid for given figure

    hi all .. Hello .. I am a new member .. I have a test next week .. I have some difficulty in such matters .. http://store2.up-00.com/Nov11/Eac12548.jpg [PLAIN][PLAIN]http://store2.up-00.com/Nov11/UKV12548.jpg thanks
  4. S

    U-Substitution, can't figure out where the answer comes from?

    Homework Statement Simply enough, solve the following using U-Substitution. dy/dx = y2-2y+1 and the answer key provides y = 1+(x+C)-12. The attempt at a solution I know how to do this, I thought. But I'm just spinning my wheels and need somebody to show me my error... I tried moving...
  5. M

    Three polarizers are arranged as shown in the figure

    Homework Statement Three polarizers are arranged as shown in the figure. If the incident beam of light is unpolarized, and has an intensity of 1.60 W/m2, find the transmitted intensity for each of the following cases. (a) θ2 = 29.6° and θ3 = 44.0° (b) θ2 = 44.0° and θ3 = 29.6°...
  6. M

    LaTeX GNUPlot generated EPS figure in latex

    Dear Forum I would like to establish a workflow of how to include .eps graphics generated with gnuplot into Latex documents and it would be great if other could contribute to this. At the moment its like this. I plot some data with gnuplot and save it to a .eps file. However, the "white-space"...
  7. T

    Why is the Set of Limit Points Closed in a Metric Space?

    Homework Statement Theorem: Given a metric space \left(X,d\right), the set of all limit points of a subset E\subset X, denoted E' is a closed set. I have an Analysis Exam tomorrow and have been studying for quite awhile and last week, my professor gave us a list of Theorems to know the proofs...
  8. J

    Can't figure out how to solve a diffrential equation

    Hey Not done this in ages and just can't figure it out, i need to solve the equation; \frac{dv}{dt}=-\alpha v+\lambda F Where alpha,lambda and F are constants. I'm so used to solving differential equations numerically i think I have forgotten how to do it analytically:P My first attempt...
  9. V

    Can you please draw this question's figure for me?

    Homework Statement From a point P tangent drawn to ellipse \frac{x^2}{a^2}+\frac{y^2}{b^2}=1. If the chord of contact is normal to the ellipse, then find the locus of P. I think this is impossible.. Most probably i am drawing it wrong. that's why i am asking so please draw it so that i...
  10. C

    Trying to figure out the forces needed to push a heavy sliding door.

    I have been working with Physics for a while. I have recently come across a problem I could not solve efficiently. I have been designing a sliding door with 4 wheels with a rolling co efficient of 0.03. I thought that if I simply be using Force applied by door on all 4 wheels multiplied by...
  11. P

    How did Albert Einstein figure this out?

    Here's a shorter article for your review. Any errors? ---- I was wondering, how did Albert Einstein figure this out? So I got an English translation of the original article, which is entitled "Does the Inertia of a Body Depend On It's Energy Content?" This article is only a page long...
  12. A

    Light travel paradox? Please, help to figure it out

    I need your help to figure it out if the following thought experiment makes sense. Imagine two points in space at the same distance from Earth, 100 light years. At one point a previously unknown supernova explodes; we observe it’s bright light in the sky for several months, and after that it...
  13. C

    Involves physics but I have to program, can't figure out equation

    Involves physics but I have to program, can't figure out equation! Homework Statement Imagine an experiment performed on an infinitely long “billiards” table. This table is bounded at the far side and the near side, and these sides are a distance w apart. A ball (of diameter 0) is adjacent to...
  14. S

    I'm trying to figure out what the summation notation of

    I'm trying to figure out what the summation notation of (1-x1)^θ * (1-x2)^θ * ...(1-xn)^θ would be for summation I know I need to convert this to a summation notation in order to solve my problem, but I can't figure out how to convert it. Any help will be appreciated.
  15. S

    Evaluate Limx->1? I cant figure this out

    Homework Statement Evaluate this Limit lim┬(x→1)⁡= (√x-x2)/(1-√x) The Attempt at a Solution So What I did at first was obiviously sub'd in one and got "0"/0, undefined. So then I started to try and simplify the function by multiplying it by its conjugate, but I got some...
  16. ssnapier

    How Far Can a Person Sit on a Table Without Tipping It Over?

    Homework Statement How Close to the edge of a 20kg table, can a 66kg person sit without tipping it over? The table is 2.2m long and there are two legs placed 0.5 m from each end of the table with 1.2 meters between the two legs and the top of the table is 0.80 m tall Homework Equations...
  17. M

    Discover the Solution to Achieving Your Goals

    I need help help to figure out how each of those steps were achieved
  18. I

    Flow Rate & Velocity of Air Through Orifice @ 130 psi

    I have been searching for formulas to determine the flow rate and velocity of air through an orifice at a given pressure differential. I need to know the flow rate to determine the CFM requirements of the compressor. And I need to determine the velocity to be able to accurately size the orifice...
  19. I

    How Can I Calculate Air Flow Rate and Velocity Through an Orifice?

    I have been searching for formulas to determine the flow rate and velocity of air through an orifice at a given pressure differential. I need to know the flow rate to determine the CFM requirements of the compressor. And I need to determine the velocity to be able to accurately size the...
  20. E

    Which Soap Deal Offers Better Value?

    2, 120 gram bars of soap for $2 or... 2, 90 gram bars of soap for $1.50 Can someone explain the method to figure it out so I can properly compare grocery flyer deals in the future? thank you for any help!
  21. G

    This is not a homework question. It is a question that I can't figure out

    http://www.trollscientist.com/226-two-plus-two-equals-5-troll-physics/ Please go to that site and explain why they are wrong! Thanks!
  22. Z

    Can anyone figure our how to predict the volume in a tank at any time?

    I have a tank (actually a PVC tube with an end cap) that has an interior diameter of 86 mm. It stands on its circular face. Coming out near the bottom of the tank at a right angle is a metal pipe 11 mm in diameter (interior) and 312 mm long (in total that is, note that some of the pipe is...
  23. W

    Is the Angle Depiction in the Rainbow Diagram Accurate?

    Is rainbow figure correct ?? Homework Statement It's a basic principle that why we see rainbow. I've described information in my attachment. That figure is given by my teacher, he says to find out mistake in it. My attempts I think angles on horizontal lines are incorrect, will...
  24. Topher925

    What Is the Vegetarian Dish with a Breaded Bowl and Colorful Toppings?

    I was at a conference earlier this week and one of the vegetarian dishes was this vegetable something bowl. It was a breaded looking bowl thing filled with what seemed like a cabbage or something and slices of peppers on top. This was all served on what appeared to be grits but tasted kinda like...
  25. M

    Area of portion of this figure

    I want to find out the area of this portion of the figure, Here's the picture http://www.flickr.com/photos/64704061@N03/5980464069/ the curve is parabolic.
  26. P

    Find the equivalent resistance for the circuit in the figure.

    Homework Statement Find the equivalent resistance for the circuit in the figure. (Use the following as necessary: Vemf, R.) Homework Equations V=IR The Attempt at a Solution This problem isn't that hard, but I'm having trouble trying to visualize how to combine the resistors. The...
  27. H

    Software to calculate diffraction figure at focal point of concave mirror?

    Classic paraboloidal mirror. Incoming flat wavefront of known wavelength (500 nm, green light), propagating parallel to the major axis of the mirror. The wave hits the mirror and is being sent back towards focus. At the focal plane, there's a flat CCD or some other light detector. Upon hitting...
  28. U

    Topology question → What geometric figure?

    James came to a place where there was a bridge, supported by parabolic arcs. In the middle waving a transparent gelatinous substance in the form of spherical shell of exotic matter. He had come to " delighted well", a horizontal formation, which is much talk and little experienced. Slowly James...
  29. G

    How do I create a tornado figure using plot3 and comet3 commands?

    Homework Statement Hi, I'm taking Intro to Computing for Engr. and my highest level math course I have taken is Calculus I. I'm trying to solve this problem in my book for Intro to Computing for Engr. and believe that the math is over my head. This may well be the case. But sense this...
  30. M

    Help with understanding how to figure out the amount of heat to boil away water.

    [b]1. The problem statement, all variables and given/know 2300 grams of water is heated. If this water starts at a temperature of 17 degrees Celsius, what amount of heat is needed to boil away all of this water? Note that the specific heat of water is 1 calorie per gram per degree Celsius...
  31. F

    Banked Car Please helpDue at 11 and I can't figure it out

    Homework Statement 1) Suppose the friction force is sufficient to keep the car from skidding. Calculate the magnitude of the normal force exerted on the car by the road's surface 2) Calc the magnitude of Friction Force 3) What's the lowest possible value of the static friction...
  32. J

    Cannot figure out how these conversion factors came about to this answer?

    Homework Statement I have an equation with all known variables and I have the answer...I just can't figure out how they converted the variables and came about the answer. The first equation is N/V = [2*pi*(2.315)/h^3][2*m*kT]^3/2 we have the known variables h (plank's constant)=...
  33. L

    Can't Figure out what I am doing wrong F=MA (easy problem)

    Homework Statement An elevator (mass 1020kg) is to be designed so that the maximum acceleration is 0.062 g. What is the maximum force the motor should exert on the supporting cable? Homework Equations F=MA The Attempt at a Solution (.062)(9.8 m/s^2) = .6076 m/s^2 F =...
  34. J

    Tunneling equation have all the pieces, just can't figure out the calculation

    Tunneling equation...have all the pieces, just can't figure out the calculation! Hi, I have an example from my book on Tunneling. All the parts of the equation are given, including the answer...put I keep comming up with the inccorect answer. Maybe someone can clarify how to calculate...
  35. P

    Combining errorbar() and plot() in same figure?

    I'm having a little trouble figuring out the MatLab GUI stuff... I'm not used to the way MatLab does things. At this point all I'd like to do is combine an errobar() and a plot() in the same figure, how would I do this? Thanks!
  36. C

    Help with Oscillation - Can't Figure Out the Answer!

    Homework Statement Hi all :smile: The Attempt at a Solution #1 I can't understand what exactly oscillation is. I guessed a,b,c are correct but c is not the answer ... why? #2 No idea. #3 a, b ? #4 i guessed its c,d ... but again i was wrong #5 No idea, sorry :(
  37. L

    Inelastic Collision Using Distance to Figure Velocity

    For my intro to physics class, we have to do a project known as Phylm, in which we analyze a scene from a movie that utilizes physics in some way and then determine, based on our findings, whether the situation is viable or not. I'm using the scene from V for Vendetta in which V throws a pair of...
  38. M

    Understanding Solutions of ODEs: y' = -(y^2)

    Hi Physics forums. I saw this question in a book, I'm not asking for the answer and this is not a homework, I just don't know how to figure out this: What can you say about a solution of the equation "y' = -(y^2)"just by looking at the differential equation? I checked at the book's answer...
  39. C

    My tutor set me out to figure out how shadows are 3D.I'm 14 so I

    My tutor set me out to figure out how shadows are 3D. I'm 14 so I said they can't because shadows don't have depth. How is this possible? He said I won't fully understand until year 12. If you know anything please post, thanks!
  40. S

    An idea I can't find anywhere Help me figure this out please

    Everything we witness and see is moving. All the things on this planet are spinning around at 25,000 miles a day while rotating around the sun while the sun pulls us on it's own course. Have we actually ever seen anything that was sitting still? As you approach the speed of light time slows...
  41. E

    Hi,I'm having difficulty trying to figure out the following

    Hi, I'm having difficulty trying to figure out the following question, I don't know how to even start it. Any help would be appreciated The question is, wave Pulse travel with the same speed down two wires made of different metals. The wires are stretched between the same two supports. If the...
  42. D

    Would much appreciate help to figure the remainder of 10^100mod 1001

    Homework Statement struggling to understand how to solve this question and would be extrememly grateful if someone who understood offered me a hand: need to find the remainder of gogool divided by 1001. i.e 10^100mod1001. any assistance would be much welcomed as i have no hope figuring...
  43. J

    What's the Secret Behind the Geometry Paradox of Increasing Triangles?

    Check it out: http://imgur.com/EpYQv Where's the trick?
  44. Z

    In the following figure, the space b/w the glass lenses is filled with

    In the following figure, the space b/w the glass lenses is filled with water. We have to find the focal length of the system (radii of curvature, refractive indices given) http://203.196.176.41/VLEBT_RootRepository/Resources/6c32207c-7c5a-4462-b90c-89b0c196bc72.gif Now to calculate the...
  45. K

    Calculating Heading, Bank & Attitude of Flight from Data

    So this is a pretty specific question, and one that has been puzzling me for a while. Either I'm missing something very basic...or. Anyway, here goes : There's a flight, that has a dish on it. The flight's dish has reported to me some data : Latititude, Longitude of the flight, Azimuth angle...
  46. B

    Which software to draw math/physics figure?

    Hi, I would like to ask a question on figure drawing. When communicating math/physics idea with other people, it is inevitable that formulas and figures are needed. For formulas we have TEX or Mathtype, but for drawing figures, is there very convenient tools that could quickly give...
  47. S

    Comp Sci Why Is My C++ Loop Not Calculating Standard Deviation Correctly?

    Homework Statement I need to write a program (which passes by reference) to find the standard deviation of an array of numbers. Homework Equations http://en.wikipedia.org/wiki/Standard_deviation < the simple standard deviation formula is the one I am using. I've tested the program...
  48. A

    The system shown in the figure below consists of a mass M = 4.3-kg

    The system shown in the figure below consists of a mass M = 4.3-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m = 1.6-kg block. The pulley is a uniform disk of radius 8.0...
  49. D

    Deriving Coefficients for Calculating Figure of Merit

    Homework Statement Hi... Don't know if it's actually homework, since it's not, but I hope it's okay to post in here. I am looking for a paper/website/article of some sort, that might have the derivations of the above mentioned coefficients ? It's for calculating the figure of merit...
  50. I

    How Does Transcranial Magnetic Stimulation Induce EMF in Brain Tissue?

    Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the human brain. In TMS, a small coil is placed on the scalp and a brief burst of current in the coil produces a rapidly changing magnetic field inside the brain. The induced emf can stimulate...
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