What is Application: Definition and 995 Discussions

An application program (app or application for short) is a computer program designed to carry out a specific task other than one relating to the operation of the computer itself, typically to be used by end-users. Examples of an application include a word processor and a media player. The collective noun refers to all applications collectively. The other principal classifications of software are system software, relating to the operation of the computer, and utility software ("utilities").
Applications may be bundled with the computer and its system software or published separately and may be coded as proprietary, open-source, or projects. Apps built for mobile platforms are called mobile apps.

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  1. D

    Force-Deformation Equations Application

    Just found this forum--hope there isn't a max post limit haha. I have been a bit stumped on this, but when doing problems about deflection and axial loadings, I am confused when to use which equation. I think I know that axial member need to be 2 force members, loaded only at the ends, and...
  2. T

    I What would be a useful application for 10 Thz nano-antennas?

    Reading: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3597338/ However I don't understand what a useful application for this is? can someone explain?
  3. B

    Linear Algebra System of Equations/Rates Application Help

    Homework Statement Suppose that we have a system consisting of two interconnected tanks, each containing a brine solution. Tank A contains x(t) pounds of salt in 200 gallons of brine, and tank B contains y(t) pounds of salt in 300 gallons of brine. The mixture in each tank is kept uniform by...
  4. J

    Admissions Physics Masters Application - coming from a different field

    I graduated a few years ago with a Biology Major and Physics Minor. After completing a M.Ed. I have decided to apply to physics masters/bridge programs and have been discussing it with old advisers who were very encouraging. I was hoping someone else had switched fields and could give me some...
  5. B

    Admissions Good things to include in a physics PhD application

    I'm soon going to be finishing my MSci in Astrophysics and am looking to apply for PhDs (in cosmology) for autumn 2019 entry. I'm on track to getting a first but I don't have much other good stuff to include on my application at the moment. If any successful PhD applicants could tell me some of...
  6. J

    Schools Graduate school failed to respond to my application on time

    I applied to a fairly prestigious engineering school in france, taught in english. I was taken for an interview 2 weeks ago and it was very casual, didnt go great nor badly. I was told I'd receive a response to my application by the "end of next week", problem is that was last friday, and I...
  7. Arman777

    B Converting Units (Medical Application)

    I need to convert mj/mm^2 to bar is there a way to do that ? I think we cannot ,bar is N/m^2 but we have j/m^2
  8. Vital

    Geometric mean application in finance ratio question

    Homework Statement Hello. There is a financial metric called time weighted rate of return, which is computed using the following formula: 1) if we compute daily returns, or other returns within a year: r tw = (1+r1) x (1+r2) x...x (1+r nth year), where r tw is the time weighted rate of return...
  9. binbagsss

    Application of the Fundamental Theorem of Calculus (cosmological red-shift)

    Homework Statement [/B] I am stuck on the section of my lecture notes attached, where it says that equation 4.20 follows from 4.18 via an application of the fundamental theorem of calculus Homework Equations FoC: if ## f## is cts on ##[a,b]## then the function ...
  10. M

    MHB Number Application

    Find two different numbers such that the sum of their squares shall equal a cube, and the sum of their cubes equal a square. Set up: x^2 + y^2 = z^3 x^3 + y^3 = z^2 Is this correct?
  11. T

    Job Skills (Job searching) How would I answer this question on a job application?

    Hi, Here's my question on how to answer this question on online or paper job boards:"Why do I plan on leaving this company?"? The thing is, in my case I'm not planning on leaving/resigning/quitting my current job position. I'm planning on getting dual strings of income/multiple incomes. My...
  12. M

    MHB How many birds are at the top and bottom of the tree?

    Some birds are at the top of the tree while the others are at the botton, if one bird goes up, the birds of the top of the tree will be twice as the below of the tree while if one bird comes down the number of the birds at the top of the tree and below will be the same. How many birds are at...
  13. F

    How Does Gauss' Law Apply to an Insulated Cylindrical Shell and Rod System?

    Homework Statement Question ==== An infinitely long insulating cylindrical rod with a positive charge ##\lambda## per unit length and of radius ##R_1## is surrounded by a thin conducting cylindrical shell (which is also infinitely long) with a charge per unit length of ##-2\lambda## and radius...
  14. hoalacanhdk

    Application of Conformal Mapping in Physics

    Hi, I'm studying about Conformal Mapping in Complex Analysis and see its applications in Heat transfer, Fluid and Static Eletrocity. But it is said that this subject is very useful in many branches of Physics. Can you tell me about that? Thanks.
  15. Z

    B Strategy for a Lottery-Style Draw Application

    Here is a problem that should be simple for most anyone on this forum but I thought it might be fun to throw it out there . . . Background: There is a certain 4 day (or so) river float in Montana that is so popular that about 20 years ago the state decided to limit floaters by issuing float...
  16. S

    Admissions Personal Statement for my PhD application

    Hi! I'm applying for some PhD programs and I would like to have some advices. I think I will use the same statement for personal and purpose, in different universities. They ask only for one and their prompt are similar. I'll change some particular details on research. Is that a bad idea? Here...
  17. A

    Admissions European PhD programs aplication and admussion advice

    Hi, I would like to ask you all if you can five me some guidence on how to procede in following situatio . First i will give some context for my situation. I have finnished my undergraduate and my masters degree in institution that is outside EU, during my masters degree i had done research in...
  18. A

    Spring angles at static equilibrium on application of force

    Homework Statement Two linear springs with stiffness Kh, Kv are attached to a single mass m at right angle to each other, i.e; one of the spring(Kh) is in the horizontal direction(x-axis) and the other(Kv) is in the vertical direction(y-axis). A constant force F is being applied to the mass...
  19. U

    Fluid mechanics - Finding force point of application

    I get how to find vertical and horizontal forces on a submerged surface (vertical = weight of fluid and horizontal = force on vertical projection). I also get how to find the point of application for the horizontal force using a moment balance. But how do you determine the point of application...
  20. SeattleDrew

    DE application with possible Euler steps

    Homework Statement A mouse starts at the origin and runs up the y-axis with a speed a. At the same time, a cat running with speed b, starts at the point (c,0) and pursues the mouse. i. What is the path of the cat? ii. Assume a<b and solve for y(x). How far does the mouse run before being...
  21. C

    I Real life application of Euler's method/numerical method

    Hi! For my math investigation project, I was trying to predict the trajectory of an object in a projectile motion with significant air resistance by using the Euler's Method. But it seems like the differential equation involved there can easily be separated into different variables, and so it...
  22. J

    C/C++ Java vs wxWidgets or GTK+ with c++ for a PC ground station

    I've got experience with win32API but its' a pain in the ass. What else is good for cross platform low level programming of apps, want it to work for PC, linux, be able to handle serial data streams, convert data and do C++ tier things. So far been using processing but that's not powerful...
  23. A

    Help on Theoretical Physics Master's Application

    Hi everyone! I am currently in the process of applying for a masters degree in theoretical physics. I am having troubles on writing the personal statement part since I really need to make it shine (200 applications and 20 places:frown:) . Any definitely do's and dont's I should bear in mind? A...
  24. O

    Admissions Help evaluating my physics grad application scores & GPA

    I'm doing my best to be realistic, but can't see the forest for the trees right now. Thoughts? Opinions? I'd appreciate it if anyone tried to answer my questions – many thanks in advance! Background Double major Physics & EE (with a couple minors) at nowhere special Physics GPA = 3.3 / EE...
  25. Z

    Admissions EU MSc application without prior research

    I'm right now in Senior year in a bad school ( I mean ranking 1k+, actually best in country so I have an excuse ), with good GPA ( about 3.25 equivalent ) considering applying for grad school in EU in nuclear/high energy physics. However I'm from a not so good university undergrad research isn't...
  26. R

    Kalman filter unstable in closed loop application

    I have implemented the closed-loop motor control system as above in a Matlab simulation (pic Kalman.png). Here, the Kalman filter estimates the torque disturbance and angular speed of the motor and those are feed to the RLS algorithm for parameter identification, here it estimates the combined...
  27. A

    How can Physics be Applied in Real Estate?

    Hello everyone, I'm Aniekan Eshiet. A Physics grad. An educationist, ex-banker, Logistics expert, blogger and Realtor. Aside Physical Science, I happen to be a realtor right now based on interest. Kindly give your opinion on how best to maximise my knowledge of Physics in real estate.
  28. NaukowiecGirl

    Uses for laser light in measuring hair width

    I have a question that I feel I cannot find enough on. We just did a practical in Physics class where we used a laser light shined on a single hair strand in order to create a diffraction pattern and use formulae to determine the hair's width. Because of Babinet's principle, the hair managed to...
  29. Astronuc

    LIDAR application on commercial aircraft

    Boeing and Japan's Space Agency Are Testing LIDAR on Aircraft http://www.popularmechanics.com/flight/news/a27595/boeing-japan-space-agency-develop-lidar-planes/ LIDAR, The equivalent of radar, but with lasers, could help aircraft track weather...
  30. Q

    Calculating Tension in Ropes for a Suspended Circus Performer

    Homework Statement After a mishap, a 76.0-kg circus performer clings to a trapeze, which is being pulled to the side by another circus artist, as shown here. Calculate the tension in the two ropes if the person is momentarily motionless. Include a free body diagram in your solution Homework...
  31. T

    Booster transformer topology for transmission application

    Hi, Regarding transmission line booster transformer topologies I'm curious as to what would happen over all the possible permutations. I refer you to the following: http://top10electrical.blogspot.com.au/2015/03/booster-transformer.html I presume that in real life the booster transformers...
  32. R

    Electrical forces, application of Colomb's law

    Homework Statement "In an early attempt to understand atomic structure, Niels Bohr modeled the hydrogen atom as an electron in uniform circular motion about a proton with the centripetal force caused by Colomb attraction. He predicted the radius of the electron's orbit to be 5.29x10^(-11) m...
  33. M

    MHB How many days will it take B to finish the remaining work?

    A can do a piece of work in 25 days and B can do the same work in 30 days. They work together for 5 days and then A leaves. B will finish the remaining work in... a) 21 days b) 11 days c) 20 days d) 19 days Is the following equation correct? 1/25 + 1/B = 1/5
  34. MacLaddy

    Material selection for food grade application

    Hello folks, Got a project I've been tasked with completing. We have a small meat locker, approximately 4' x 6', and I need to design and build an above-head rack system to hang hams and other meats on. (approximately 50 to 60 lbs each) Can anyone offer a good starting point for a food grade...
  35. W

    A Is this an application of the Virial theom?

    The problem concerns a liquid column (assume infinitely long) with radius R connected to an electric potential V, the liquid thus has certain surface charge density. A small perturbation may change the surface profile of the cylinder (small compared to R) and thus change its surface charge...
  36. aboutammam

    A Examples of application of transversality of submanifolds

    Hi, I am a PhD student, I work on transversal submanifolds. I want to know if someone has an example of application of transversality in physics or ingenning or in any other area, I hear that there is an application in construction of plans but I didn't find it. Thank you in advance.
  37. M

    MHB Calculating Ball Height and Time with Quadratic Formula

    A ball is thrown straight upward. Suppose that the height of the ball at time t is h = -16t^2 + 96t, where h is in feet and t is in seconds, with t = 0 corresponding to the instant the ball is first tossed. A. How long does it take for the ball to land? To do A, I must let h = 0 and solve for...
  38. Muaadh

    I Application of resonance in one end closed pipe in real life

    Hello, My name is muaadh. I had an experiment in Physic about resonance in one end closed pipe. Our homework is to find applications in real life about this experiment. This photo of our experiment.
  39. T

    MHB Maxima, minima, and the mvt application

    Hi there I'm prepping for a big test tomorrow and I'm really struggling with this question:If f′′(x)≥−1, x belongs to (−15,15), and f′(1)=3, find the interval over which x is definitely increasing.I'm struggling with substitution because I just don't seem to have enough values. Is there a...
  40. S

    Bernoulli Equation and its application to turbines and pumps

    Hi, I have never found a satisfactory explanation for why the Bernoulli equation is not valid when the streamline passes through a turbine, pump or another work transferring device. I have read many books that simply state this limitation without providing a convincing reason. Bernoulli...
  41. nothing909

    IGBT gate resistor for switching application

    Homework Statement I have a 560 ohm gate resistor on an IGBT. Usually an IGBT doesn't require a gate resistor as it already has a high impedance of its own, but I'm told that for switching applications a gate resistor can be beneficial. The attempt at a solution If there is a gate resistor...
  42. T

    Schools How seriously will colleges take non-AP classes?

    Hi everyone, just a quick question about college applications. I'm in a STEM program at a public school, and some of the classes that I take are weighted as AP even though they are not official AP classes. Some people that I've talked to have seemed to disregard these as just the school being...
  43. I

    Paper about application of ADuCM350

    Does anyone have papers or journals describing the application of ADuCM350 ? Thanks for your information.
  44. M

    MHB Yes, you are correct for both parts (A) and (B)!

    A ball is thrown straight upward. Suppose that the height of the ball at time t is h = -16t^2 + 96t, where h is in feet and t is in seconds, with t = 0 corresponding to the instant that the ball is first tossed. (A) How long does it take for the ball to drop? (B) At what time is the height...
  45. Kumaken

    Application of integrals to find moment Inertia

    I need to make a project that integrates physics with math, involving the use of integrals to find moment inertia of areas. The theory could be read here :http://www.intmath.com/applications-integration/6-moments-inertia.php I need to make an object that applies the theory above. Can anybody...
  46. O

    Meissner effect and future application to the hoverboard -- Ideas?

    I'm working on a project of magnetic levitation of the lexus hoverboard Which is based on Meissner effect and suprconductivity and I have to look for contraint, probability, choice, and optimization in this project, i really find a little bit tough where to start this, so if anyone have any...
  47. T

    Special relativity application

    Homework Statement The rockets of the Goths and the Huns are each 1000 m long in their respective rest frame. The rockets pass each other, virtually touching, at relative speed of 0.8 c. The Huns have a laser cannon at the rear of their rocket that shoots a deadly laser beam at right angles to...
  48. A

    MHB What's the Logic of this Application using Math

    Here i attached some mobile application screenshots I want to know the logic of this application 1:- It have four screens and every screen have numbers. 2:-Application asked on every screen "Do you Know your age is here in these numbers". 3:-If i see the number is on the screen then i pressed...
  49. P

    A question about an opamp or comparator application

    hello dears i have a question at op amp could i use the comparator to compare between to differential signals .. more specific if i have tow signals out of phase (180) and unequal amplitude could i use op amp comparator or differential amplifier to distinguish which of them is higher amplitude ??
  50. I

    Admissions Application list too ambitious for non-traditional student?

    I was hoping I could get some feedback from anyone who might have insight into the grad school application process. I've applied to 11 schools so far, but I don't know how to tell if they're all a bit too optimistic. I was hoping that someone could recommend a "safety" school or two. About me...
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