Applied Definition and 1000 Threads

Applied science is the use of the scientific method and knowledge obtained via conclusions from the method to attain practical goals. It includes a broad range of disciplines such as engineering and medicine. Applied science is often contrasted with basic science, which is focused on advancing scientific theories and laws that explain and predict events in the natural world.
Applied science can also apply formal science, such as statistics and probability theory, as in epidemiology. Genetic epidemiology is an applied science applying both biological and statistical methods.

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  1. J

    Applied Math or Computer Science?

    Hello everyone. Most likely, I will soon be transferring to NJIT and majoring in applied physics. NJIT offers double major programs in applied physics and either applied math or computer science. If I had to pick one out of pure interest, I would probably go with applied math; however, computer...
  2. D

    Applied Math undergrad to pure math grad school?

    The best instate college in my state for mathematics is Georgia Tech. However, it does not have a pure mathematics degree. Can I still go to grad school for pure mathematics as an applied math major? Will it prepare me for pure mathematics?
  3. J

    Shouldn't the operator be applied to both the wf anD its modulus?

    Why is it: $$ \langle A \rangle = \int dV ~ \psi^* (\hat{A} \psi) $$ As opposed to: $$ \langle A \rangle = \int dV ~ (\hat{A} \psi^*) (\hat{A} \psi) $$ The op can substantially change the wf, so it would seem to make more mathematical sense (at least from a linear algebra pov) to...
  4. H

    Question of value B.S. Applied Mathematics to Engineering?

    Due to personal life issues and limitations, I've been seeking other options for my B.S. and came upon Applied Mathematics. What I've been on the fence about for a while now has been which Engineering degree to pursue be it Material Science, Mechanical, or Aerospace. However, it has been...
  5. H

    Can Young's modulus be applied to slinky springs?

    Could somebody please tell me if we can apply young modulus theory to a slinky spring, or can only be applied to a rod when strenched?If possible to apply to the slinky spring, how can we calculate the elasticity of that slinky spring?by the way what is the process by which slinky springs are...
  6. J

    Applied Integral Calculus What did I do Wrong?

    This is a problem I've been working on... I did some things wrong, and syntactically incorrectly, and just messy. Could you help me out? Tell me how I can write this more syntactically correctly, and cleanly, please? Also, I realize that some might believe this would be more appropriately put...
  7. L

    Torque applied to both ends of a rod, resulting shear?

    Hi, Can anyone explain what would be the maximum shear force experienced by a rod if equal and opposite torques (T) were applied at each end? In comparison to a rod that was fixed at one end and had a torque T applied at the other end would the maximum shear experienced by the rod be...
  8. tsuwal

    Books on physics applied to sports

    Hello guys, Check out this book: https://www.amazon.com/dp/0393063410/?tag=pfamazon01-20 Do you any other good book on the subject?
  9. X

    Torque Sum with applied torque off axis

    I think I'm missing something really simple here due to being out of school for a while: In a free body diagram, if I am trying to take the sum of torques about point 1, how should I deal with an applied torque at point 2? See attached sketch
  10. G

    JFETS/MOSFETS and applied potential

    Explain how and why the weak signal (potential) applied to the gate G modifies (or modulates) the strong (current) between the source S and the drain D in the JFET . In particular you must indicate what happens to the depletion layer and the conducting channel when a. (10) Positive potential...
  11. A

    Can you get into archeology after studying applied physics?

    I'm planning on doing a BSc in applied physics next year, but my real passion has always been history and archeology. The reason I chose for applied physics and not history or archeology is because the odds of getting a good job after the study are much greater. Now I was wondering, what are...
  12. A

    Can you get into archeology with a study applied physics?

    I'm planning on doing a BSc in applied physics next year, but my real passion has always been history and archeology. The reason I chose for applied physics and not history or archeology is because the odds of getting a good job after the study is much greater. Now I was wondering, what are...
  13. K

    How to determine minimum required force in an applied context

    Hello, I am a graduate student in psychology and I've encountered an issue in one of my studies that is outside of my expertise, but hopefully within one of yours. Here's my predicament: I recently conducted a study with infant participants that investigated infants' ability to...
  14. N

    Engineering Can Engineers Be Considered Applied Physicists?

    Hi everyone, i was asking myself , can engineers be considered applied physicist ?
  15. C

    BS in Applied Physics/Masters in Nuclear Engineering?

    I'm a sophomore applied physics major at Columbia Engineering, and have recently thought about going into nuclear engineering as a career. I'm extremely interested in physics and am pretty sure that it's a pretty hot industry since many people working in nuclear engineering are entering...
  16. F

    Idea gas law applied to throttling process

    Hi all. I'm trying to become acquainted with thermal dynamics. I thought I had a fairly good handle on the idea gas law, PV=nRT, or PV=mRT, but I came across a problem involving the throttling of an idea gas, and the solution was totally not what I expected. Referring to picture where gas...
  17. R

    Schools Types of Applied Math Grad School?

    I was wondering what are the main types of "applied math" I could choose to study in grad school and how I can know which one I would enjoy most? Math Classes I loved were: linear algebra, number theory, intro to real analysis, discrete math, intro to abstract alg Classes I disliked...
  18. I

    If a force is applied to a box, and the box is not displaced, no work

    If a force is applied to a box, and the box is not displaced, no work is done on the box, right? But to apply the force, don't you use up calories which is a unit of energy?
  19. Q

    Using Advanced Dynamics to find the Force Applied of a Truck

    Homework Statement A car is moving at an acceleration such that a 5kg block in the back of the remains still on a ramp at 35*. The ramp is frictionless, whereas the coefficient of friction between the truck and the road is μ=0.1. If the truck weighs 12000kg, what is the force the trucks...
  20. T

    Question on Red shift applied to objects within the same galaxy

    Hi everyone, I signed up just to ask you guys a quick question, as most of you will know infinitely more than I do on this subject. I'm not an astrophysicist, I have a strong interest in the universe and cosmology, but it's more of a hobby for me than a central focus, so I apologise in...
  21. F

    Applied Mathematics vs Computational Finance

    I have received some admissions decisions from the graduate programs that I have applied to, and I am stuck with a tough decision to make. I am hoping to hear from those who may have found themselves in a similar situation or someone who may have relevant industry experience who can shed some...
  22. J

    Current in superconductors when a voltage is applied.

    Suppose you a have superconducting loop connected to a 9V battery. What is the current through it? With a resistance of 0Ω, V = IR gives ∞. I don't think that can be right... If it were, V=\frac{I}{nAe} would give an infinite velocity... Does that equation even apply to superconductors?
  23. S

    Engineering Mechanical Engineering to Applied Physics

    Here's my current story: I'm at CC right now double majoring in Physics and Engineering Science. When I transfer (Rutgers) I will continue to Mechanical Engineering and plan to continue Physics as a minor. I am highly interested in Mech. Engineering and I love physics, I would major in...
  24. jbrussell93

    Numerical Analysis vs Applied Analysis

    I'm a sophomore physics major and will be choosing classes for next semester in a couple of weeks. I was planning on taking mathematical methods because I've often heard that it makes a big difference going into the upper level classes but unfortunately, it isn't being offered next year. It has...
  25. E

    Force Applied to an Object with friction

    Homework Statement 2kg block moving across a flat surface with a friciton coefficient of .2 a. If 10N force applied what is acceleration b How fast will the block move if the force is applied for 5seonds c. how far will the block have traveled after 5 seconds Homework Equations...
  26. G

    Possible careers for applied math majors

    I am from Australia and I'm a freshman in Uni (applied math major and minor in computer science) I have no Idea of what I want to do in the future, so I figured to do a math degree because I like the applications of it. I am very interested to work for defence, but I have no Idea of what...
  27. M

    Max. Applied force on outside wall of spinning drum

    I have a 36" OD aluminum drum within another 48" OD aluminum drum creating 6” channel between the two diameters. The total height of the drum assembly is 16” This design project that I am working on requires me to fill this channel up with 12” of water which equates to about 342.5 lbs of water...
  28. C

    Two forces applied to car, direction?

    Two forces applied to car, direction?? Homework Statement Here is my given diagram and problem: Homework Equations I'm stuck on finding the direction. I tried using the equation theta=tan^-1(Ay/Ax), and the answer was incorrect. The Attempt at a Solution As you can see, I have...
  29. S

    Static & Kinetic Friction + An Applied Force on an Inclined Ramp

    Homework Statement A box with a mass of 22 kg is at rest on a ramp inclined at 45 degrees to the horizontal. The coefficients of friction between the box and the ramp are μs = 0.78 and μk = 0.65 a) Determine magnitude of the largest force that can be applied upward, parallel to the ramp...
  30. T

    Free Body Diagram and applied force

    Homework Statement A cavewoman is dragging her 65.4 kg mate home, up a gentle 10° incline. The co efficient of friction for skin on oil is 0.40. What is the minimum applied force she needs to keep the neanderthal moving with uniform motion? Homework Equations ff=μFn fg=mg fnet=ma The...
  31. micromass

    Geometry Applied Differential Geometry by Burke

    Author: William Burke Title: Applied Differential Geometry Amazon Link: https://www.amazon.com/dp/0521269296/?tag=pfamazon01-20 Prerequisities: Level: Undergrad Table of Contents: Preface Glossary of notation Introduction Tensor in linear spaces Linear and affine spaces...
  32. B

    Raising temperature with no external work applied

    Homework Statement A system consists of three bodies with the same heat capacity. These are initially at 200 K,400 K and 400 K respectively. Show that, without the supply of any mechanical energy or heat from outside the system, the highest temperature to which any of the bodies can be...
  33. P

    Calculate strain induced in a rubber(Elastosil 607) against applied force

    Hello Team, I have a rubber (harness A of 54 and elongation at break of 100%) on which 30N of force is applied over 45mm2 of ares. I would like to know the strain induced in the rubber against the force. The problem here is i could not find the exact Young's modulus value for this material. But...
  34. E

    Finding acceleration using static/kinetic friction, mass & applied force?

    Homework Statement a fridge with a mass of 120kg is at rest on a kitchen floor. If Ms is 0.32 and Mk is 0.28 and you apply 472N of force what will be the acceleration of the fridge? m=120kg Ms=0.32 Mk=0.28 Fa=472N Homework Equations Ff=MFn Fw=mg Fw=1176N Fn=1176N F=ma...
  35. lisab

    Any Feedback From Companies You've Applied To?

    Recently I've sent out a few resumes + cover letters to companies that have openings listed on their web sites. These are small-ish local companies, with <200 employees. The first couple, I got nothing in response - nothing. So this last one, after a week or so with no response, I sent a...
  36. G

    Calculating the force of applied by a vise jaw

    Its been many years since i studied mechanics at school and I need to know how to calculate the force applied to a vice jaw by turning the vice handle .i am guessing that it could be worked out by measuring the length oF the threaded bar and also the length from the pivot on the handle but...
  37. D

    Effect on current, if a higher voltage is applied

    I'm confused over this because generally I'm told that if the voltage increases then so does current and this satisfies the equation:V=IR because I=V/R increasing the top of the fraction should mean that the current increases but this contradicts the equation:P=IV be=P/cause this time I=P/V and...
  38. E

    Theoretical or Experimental Applied Physics?

    Hello everyone, I'm considering becoming an Applied Physicist. I just need some help. Here are the questions I would like answered. -What would a Theoretical Applied Physicist research? -What would a Experimental Applied Physicist research? -Which one would have more of a likely...
  39. B

    SOP Review: MS Applied Statistics

    Any comments would be appreciated. Patent/Copyright Pending. :approve: Thanks ********************************SOP Follows************************** Statistics’ use in predicting and modeling are the most attractive to me. The ability to model phenomenon and...
  40. M

    Math How to apply for a job in Industry with a degree in Applied mathematics?

    For Academia jobs, I used www.mathjobs.org, and it's quite good. I will have a degree in Applied-Mathematics (Numerical Optimization and Operation research). I am trying to apply for Industry jobs. However I am not sure how or where to apply. I heard the application process can be quite...
  41. H

    How to find applied force when given force of friction (constant velocity)

    Homework Statement Five dogs, each having a mass of 30kg, pull a 250kg sled horizontally across the snow (coefficient of kinetic friction = 0.14). How much force must each dog exert in order to move the sled at a constant velocity? Homework Equations Force of kinetic friction =...
  42. T

    Electrostatical energy of charged surface in applied voltage

    Homework Statement 1. Given a coloidal polystyrene particle with a diameter of 350 nm and a surface charge of 7.73. µC cm-2 evaluate: a) the electrostatic energy under and applied voltage of 100 mV Homework Equations particle charge density: ρ = (3Q)/(4πR^3) U0 =∫V (r)dq The...
  43. 3

    Math Pure or Applied maths with stats

    Hi all, This post will be long, but I hope in giving more relevant information, the replies will be more helpful. Apologies for the length, and thanks for reading, given now. I'll state the question here though to avoid you having to search for it: Does it make any real difference whether...
  44. R

    Programs Deciding between Applied Math and Math as my second Major?

    I'm a computer science major. I plan to double in math, but, for a computer science major, would I be better off studying applied math? Right now, I'm not doing as well in my Honors Calculus III course as I have in earlier math classes. (I have a B.) It isn't like anything I did in high...
  45. J

    Find the Force applied to a rock by a slingshot

    Homework Statement A sling shot can launch a 50gram rock at a speed of 24m/s if it is stretched .4meters before release. Find the average force applied to the rock Homework Equations Spring force = 1/2*k*x^2 1/2kx^2 = 1/2mv^2 The Attempt at a Solution tried to solve for K...
  46. B

    Finding Net Torque on a Beam: Calculating Torque about Different Axes

    Homework Statement Calculate the net torque (magnitude and direction) on the beam in the figure below about the following axes. (a) an axis through O, perpendicular to the page (b) an axis through C, perpendicular to the page Homework Equations The Attempt at a Solution I...
  47. K

    Periodic force applied to pendulum-like motion

    When a force is applied to a pendulum, the pendulum sways back and forth until it eventually stops. In this problem however, a force is applied at uneven time intervals while the pendulum is still in motion. The force is always applied in the same direction. A data set is given containing...
  48. J

    Calculate electric field applied along a wire

    Hi, I'm doing some revision and I'm having a problem with the following: Conductivity of gold is 4.1*10^-8 , what is the electric field along the wire? The current is 13.2A and the radius is 3.8mm I've used 1/conductivity to find resistivity of (2.4*10^-8) and used this along with area to...
  49. fluidistic

    Variation of parameters applied to an ODE

    The ODE to solve via variation of parameters is ##(1-x)y''+xy'-y=(1-x)^2##. Knowing that ##e^x## and ##x## are solutions to the homogeneous ODE. Now if I call ##y_1=x## and ##y_2=e^x##, the Wronskian is ##W(y_1,y_2)=e^{x}(x-1)##. According to...
  50. E

    MATLAB Is a Basic Understanding of Matlab Enough for Applied Numerical Methods?

    So I'm taking an applied numerical methods course this year, and we are not putting any emphasis on Matlab. Well, we do use it on homeworks and assignments, but he does not teach us more than the very basics (for, while loops, if iterations). The weird thing is that all the math we learn in the...
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