Apply Definition and 483 Threads

I know the school that i'd like to go to(Clemson) it's close to home, the program is more applied than theoretical, the campus has a nice home-y feeling to it, i very much like the graduate programs that I'm looking at (mathematical sciences and computer science), etc. I know people say that...

I really want to do an reu this summer and experience research from a new perspective. I have a fine resume. Near 4.0, rising senior, and almost 2 years of experience leading to a 2nd or 3rd author publication in the works. I know NSF puts a lot of emphasis on accepting women and minorities...

Homework Statement If we fix one end of a spring and apply some force on the free end,the spring will elongate.If we remove the force,the spring will return to its original length(assume that Hooke's law is obeyed). Metals are usually ductile due to their metallic bonds.In metallic bonds...

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...

Question: Show that the system x'= x-y-x[x^2 + (3/2)y^2] y'= x+y -y[x^2 + (1/2)y^2] has at least one periodic orbit. I know that I need to apply Poincare-Bendixson Theorem. I can prove the first three points of it easily, but to create a trapping region, I believe that I need to...

If I am traveling along at a steady 60 kph in top gear ... and say my tacho is showing 2000rpm, then my "torque curve" says for this rpm the engine is outputting a specific torque - as I understand it, this is what is needed to zero out the forces from wind resistance and other frictional...

Let's say I see a parked car, the tire of the car is resting against the curb. Would you actually have to go with a tape measure and measure the curb, measure the wheel and then you'd be able to find the area underneath the curb and the tire? It's just confusing. Soooo many math equations...

I have a time series of climate data that I'm testing for stationarity. Based on previous research, I expect the model underlying the data to have an intercept term, a positive linear time trend, and some normally distributed error term. In other words, I expect the underlying model to look...

Does Snell's law apply in refraction when the light ray is along the normal line? Utilizing snell's law, the index of refraction (n) would be zero. nr= ni(sin θi)/sinθr Sin(θi)= 0 therefore, nr=0 However,utilizing the formula for index of refraction (n=c/v), the index of refraction...

So, how do people, like physicists, or engineers, actually apply the concepts of vector calculus to their work. For example, if they want to calculate flux or something they need a vector field, how do they approximate that vector field? are their specific equations that can approximate vector...

Hi, I am confused by this relatively simple problem. The operating margin of a business = (Revenue – costs)/Revenue M = (R-C)/R = 1 – C/R Now I wish to find the sensitivity of M to changes in R. So I try to differentiate the equation by R dM/dR = C/R^2 But this equation doesn’t...

I have attached the problem. I know I need to apply the energy equation: P1/(gamma1)+V1^2/(2*g)+Z1=P2/(gamma2)+V2^2/(2*g)+Z2+h_t+h_f-h_p+h_m P=pressure V=velocity g=gravity Z=elevation h_t=head due to turbine h_p=head due to pump The above 2 are 0 since there's no turbine and pump...

Why is it that everything is so so different between the two worlds ...?

(Put in a lot of context, and post is long now. Question and TL;DR are at the bottom!) Recently finished my PhD in Physics: X-ray spectroscopy of transition-metal crystals, a lot of soft X-ray synchrotron and solid state science, vacuum science etc. I knew after a few months of starting the...

Why do magnetic fields only apply force to charges/currents that are perpendicular to the field? Does it have something to do with the orientation of the field created by the moving charge in relation to the field it is in?

I saw a baseball pitching machine that throws baseballs at 40-70mph with one wheel... All that wheel does is rotate and as the ball touches the rotating wheel it accelerates and comes flying out of the machine at an appropriate angle.. My question is: what is the physics behind that wheel on...

I’m thinking as I go, here, so I am numbering points for ease of reference, correction etc. 1. Neutrinos (excluding the anti- and sterile varieties) come in three flavours. 2. It is known that neutrinos have mass. 3. The masses of individual neutrinos are not known precisely. 4...

Hello, I am currently in my final year at a California State University majoring in Mathematics (Applied track) and minoring in computer science. I've begun lurking forums such as the physics to figure out what sort of programs I am qualified to apply for, and what be good opportunities as well...

Hello Mate, This is my first post and I have always seen you guys are helpful to everyone. Thank you for all the knowledge you share from time to time. I am an Indian student pursuing my Final year in BSc (Physics). I would like to apply for Master in Science, Physics at University of British...

Poynting vector is flow of energy per unit area. Dose it apply for both static field where E and B are decoupled, AND time varying EM field where E and B are coupled?

I have a box, the bottom and the four walls are made of grid. I wan to apply load in the box and see how the bottom and the four walls deform (and stress too). How can I do it? I do not want to apply a force to each wire vertically and horizontally. I want to apply a load to the bottom and the...

Newton's Third Law states that every action has an equal and opposite reaction. I'm wondering if and how this applies to magnetism. I would assume that it would mean if a moving charge is creating a magnetic field that causes a magnetic force on another charge, then it can be said that the...

I'm a community college student and I want to transfer to a 4 year institution to get a BS in Math or Computer Science (or a major/minor combination of the two). Anyway, I've been thinking of applying to UCs (University of California) and the Cal Polys (part of the Cal State system, but good...

Had a recent midterm and got this question wrong: why is Hess's Law generally not obeyed? Any ideas? Thanks.

Homework Statement Very simple problem; I have three classes, Company, CompanyTest, and Employee. CompanyTest gets a bunch of information together about an employee, like salary, address, etc., and then it creates an Employee object using the Employee class. Great, so I have successfully...

[b]1. The problem statement, all variables and giv A construction worker is pulling a bucket filled with wet cement using a smooth pulley. The total mass of the bucket is 5kg. Homework Equations F=ma The Attempt at a Solution F=5*2ms^2 = 10 N The answer is 60N

I am currently in a post-doc position which will end in eight months. I intend to remain in this position for the remaining duration in order to finish my current project, get a publication, and move on. How early is too early to start applying for industry positions? It's my impression that...

I'm in a rather weird scenario. My first four years of college, I wasn't interested in studying or macadamia in general. I was a finance major and realized that I was learning an extraordinary larger amount at work then I was in class. I'd go to work and learn how to analyze investments using...

Disturb a complex massive field, apply "force"? If we have a classical massive complex field in 2D space-time can we think of it as a 1D membrane which can move in some 2D tangent space? If so can I think of applying forces which act for short times to this membrane in this tangent space, as a...

Can anybody clear this up for me? In his Chicago lectures in 1930, Heisenberg is quoted as saying “The uncertainty relation does not hold for the past…If the velocity of the electron is at first known, and the position then exactly measured, the position of the electron for times previous...

Suppose that I would like a master's in physics, but not a PhD, and consider a university that offers a funded master's program. I understand that universities prefer to take PhD students rather that MS students (since one may squeeze more cheap research labor out of a 3+ year grad student...

Hello I am new with Maxwell. I made a motor drawing in solidworks and imported it in maxwell. I found some tutorials, and searched on the internet but could not find answer to my problem. So when i try to assign Excitation Current to an coil i get the message Excitation 'Current1' : Cannot...

Hi, I assume that you all know the water displacement theory where: The volume of water displaced is equal to volume of completely submerged object. Now, my questions is this: does this theory work for other liquids besides water (e.g. mercury, seawater)? If not, then can you please...

Pretty sure I have some misconceptions, please correct me thanks. SHORT VERSION According to Nyquist's theory, if I want to digitally record a live opera and be able to reconstruct back to exactly the original sound quality, I have to sample at at least twice the frequency of the original...

Homework Statement Consider Atwood's machine with two masses, m1 and m2 with m1 less than m2. Now, according to application of Newton's third law, the system accelerates in the direction of the heavier mass (here, m2). This, however, seems to contradict Newton's third law, which implies that...

I'm confused as to why I can't simply use the terminal voltage formula here... Vt = E - Ir = 1.5 - (.5)(.6) = 1.2 V The actual answer is 1.8 V. Is there a difference because it is "find the terminal voltage of the cell while it is being charged?

Hi So the reaction is below: Sodium thiosulfate + HCl = Sulfur + NaCl+ Water+ SO2 So if I wanted to say 'Increasing the conc. of Sodium thiosulfate has shifted the equilibrium to the left (reactants) and thus the system works to break down excess reactants and create more product by...

I read an article on Coulomb's law which read, ''Coulomb's law only applies to point charges'' (or something along those lines). Am I wrong, or is there an equivalent that can work for magnets/big electric charges?

I have always wanted to apply for Mathematics in university but lately I have developed an interest in computer science(after having read some parts of the book 'An introduction to parallel algorithms and architectures') - what other books should I read and how do oxbridge interviews go?

Homework Statement In this video; the uploader states at 0:47 that there are three rules. 1. Can swap rows 2. Can multiply a row by a constant 3. Can add a multiple of one row to another Do these rules apply only to rows? Can they be applied to columns? The uploader has not stated...

Homework Statement I am having trouble understanding how to apply Lagrange's equation. I will present a simplified version of one of my homework problems. Imagine an inverted pendulum, consisting of a bar attached at a hinge at point A. At point A is a torsional spring with spring...

Homework Statement In my Chemistry lab, we made silver using copper and silver nitrate. We put a solution of silver nitrate, distilled water, and copper wire in a test tube and observed it. Then we took the copper out (the solution turned blue and the copper had crystals formed on it but we...

How do you represent a certain mass of plasma (ions and free electrons) traveling inside a containment from point A to point B as "I", electrical current? Trying to make a connection, Doug Ettinger

Homework Statement The Attempt at a Solution My book is not explaining very well the steps at solving these problems. There is a step that I'm missing step 1. find 1/(b-a) easy step 2. find the antiderivative of 4 - x, easy, x^2/2 step 3. plug in what the result of the...

I have decided to major my engineering degree in Electrical and Computer Engineering, however I only start this year. I am interested in the field of robotics, specifically the side of the programming, developing intelligent machines and artificial intelligence etc. My question is, would...

I'm doing a homework problem (i already know the answer) and i came across an error in my logic/application of the formula Vavg = (v + v0)/2. Hopefully you can help me understand why it's incorrect to use the formula. x = 12t2-2t3 describes a particle position. the derivative of x = 24t-6t2...

Hello, I'm reading a text about statistics, but I don't understand why Poisson applies. (Note, this is not an assignment or anything like that.) Why would X be Poisson distributed with that parameter theta? The only Poisson that I could find reasonable is modelling X as Poisson...

I have a question pretty specific towards my situation but I think its an interesting thing to think about anyways. I am in the process of applying for graduate programs for the fall, and from two professors I got slightly different advice. One said that I should apply to few top schools, few...

When we derive the relations between image distance(v), object distance(u) ond focal length(f) for mirrors or lenses (1/v+1/u=1/f and 1/v-1/u=1/f respectively), using the concept of similar triangles and alternate exterior angles, in the last step we apply standard sign conventions to get the...

Does Betz law apply to helicopters? I.e will maximum 59% of power supplied by an helicopter actually provide lift?