Writing Definition and 712 Threads

Homework Statement All answers shuold be in terms of m,g, θ ,μk and μs 1.Write the equation used to calculate the force required to move a block of mass m across a floor with a constant velocity. [SOLVED] 2.Write the equation to calculate the tension in a rope holding a block of mass m...

Homework Statement Write the vector <1,7> as a sum of two vectors, one parallel to <2,-1> and one perpendicular to <2,-1> Homework Equations DOt Product The Attempt at a Solution I'm confused on where to begin this problem. Should I be using the dot product? Thanks

I am writing a article in my university newspaper, and I am just gathering as much info as I can about chernobyl, now and then. ***EDIT*** OK, got some good info, so I am changing my post here. Im trying to come up with a really good intro, but I don't like what i came up and want something...

About how many hours a week would a typical electronic systems engineer spend writing reports vs the number of hours spent doing actual engineering? And, what kind of jobs could i look for in engineering that minimize the amount of writing i would need to do? I'm a first year student, and am...

I have three questions: 1. Suppose your supervisor has given you freedom to choose topic of research (for PhD). How do you decide what topic to work on? 2. Can one work on two somewhat disconnected topics and write about both in same thesis? 3. When do you feel that you have done enough...

Hello everybody, For a long time now I have been trying to find the very best thing to write with. I spend most of my time studying and solving math and physics problems so naturally pens and markers are a huge part of my life. I like to write with multi-colored pens as it helps me keep my...

how to write an assembly program to calculate the dot products of two arrays ?? Thx Anyone know how to write an assembly program (source code) to calculate the dot products of two arrays with LC 2 ? Given: The size of each array is 15 (a[0],...,a[14] ; b[0],...,b[14]) that are stored in...

Where could I find a webpage or guide on how to write unit vectors in terms of sin and cos? I looked through my textbook and tried searching google, but I can't find anything...I must be using the wrong terminology. edit: Delete me! I had one of those epiphany moments and figured it out...

Hello guys. I was wondering if you guys could give me your opinion/advice for the following scenario: Yesterday I wrote my first midterm in statics (1st year engineering), which is worth 30% of the final mark. The written part of this exam, worth half of the entire midterm, consisted in a...

hello everyone! I just started a course in real analysis and i must say that it is quite different from all the "engineering math" that i have taken before.I was wondering if anyone could give me tips or advice on how to get better at writing good proofs. Right now,we are using a book called...

I'm finishing my PhD; I will be defending in a few weeks and then starting a postdoc at a high-profile university/lab. One of my research students has asked me to write a letter of recommendation for him which is due by the end of this week. His other letter writers are also at my current...

Does anyone have suggestions concerning software which would be good for including numerous graphs, tables, and visualizations...some equations. I'm aware of the usual (and use them), including Latex, Lyx, JasperReports (in Java), etc. I'm just looking for something better...more like...

Here's the problem. Having traveled 15000km to my new college, I've come to realize that I cannot find the beautiful, extra fine tip, navy blue gel ink that I've used for 11 years. Now I'm desperately for a new pen, one that can give me the same, smooth, effortless feel with minimal smudge...

Hi, I am very new to matlab, this is actually the first time I am using it. I have to write a code for finding averages, right now I have "function av=average(x1,x2,x3,x4,x5) % average(x1,x2,x3,x4,x5) returns the average of (x1,x2,x3,x4,x5) av=(x1+x2+x3+x4+x5)/5; return;" This works just fine...

Now, before I begin, let me say that I have no idea where this would go. It's homework, and it does pertain to introductory physics, but I'm really asking more for general tips than answers to any specific problem. So, I have a lab report due in about 9 hours. I've already gotten part of it...

I am writing a story and one of the main themes is the discovery of magic. The story is set in the tenth century AD, somewhere in Europe. What I am looking for: - Questions that most authors don't bother answering when covering this subject. - Answers to these questions. One...

how many types of brain signals are there? or if a person thinks of writing a word the signals that perform this action what are those called..? (brain signals is not my subject but i want this knowledge to further use it in a signals and systems project relating to human brain) thnx

This is a homework assignment, thus the category, although it may not look like many of the other posts in this part of the forum. My assignment is to write a paper about Cern. I'd like to answer the following questions: Main question: How will Cern alter our understanding of the universe and...

Writing requires greater intellectual capabilities than advanced math because there are no rules with the exception grammar and spelling whereas with math it's more about repetition. Having an essay published in the New Yorker, for example, requires more brainpower than fully grasping general...

Hey, so i want to write a string to a .txt file and I tried by doing this: save filename.txt writer (where writer is the variable containing string) ... But i get weird char. instead of the string. Any ideas?

Homework Statement I was tasked with finding the equations of motion for an the airplane model pictured below. Mass 1 and Mass 3 represent the wings. K1 and K2 are linear springs that represent the stiffness of the wings. M2 is the fuselage and M4 is the landing gear. K3 is the linear...

I am writing a book on double deck pinochle and need to get accurate percentages. I am hoping this forum is willing and able to help me! If I am in the wrong forum, and someone could direct me to a more appropriate forum, that would be greatly appreciated. Knowing what double deck pinochle...

Homework Statement Write a balanced equation for: 1. the reaction of chromium with sulfur 2. the reaction of bismuth with oxygen Homework Equations Chromium is a transition metal and sulfur has a 2- charge. The Attempt at a Solution For the first one, I'm thinking that...

Homework Statement Write the Trigonometric Expression as an algebraic expression. cos(2arccos 2x) Homework Equations Probably the inverse properties, I'm not sure. The Attempt at a Solution I know I can rewrite this equation as. u= arccos 2x cos(2cos u=2x) I can also...

Hello Physicsforums, I've been reading here for a while and like this forum a lot. For the following issue I couldn't find a suitable thread so I decided to register and ask my first question: I'm about to apply for grad school, for which I need academic references. I talked to the two...

Hi, Is there a command available that makes the compiler ignore all write(*,*) statements?! The thing is, I'm working on a code which will eventually run for several hours (perhaps days) to complete a single run. At the moment I'm testing so I write a lot of data to the screen in order to...

Hey, To promote understanding of science I want to write a short article every week for my local newspaper. Four articles will be sent to them as a taster to get their agreement; a snippet, a column and two full length articles. Four subjects that are easily accessible and also...

[b]1. Fe2+ + MnO4- -> Fe3+ + Mn2+ (acidic solution) 2. I need to write a half reaction for the oxidation and reduction process and I am totally lost. If I could have help on this one, maybe I will understand how to complete the balance of my work.

Is there a link between Faith and fine writing? I'm an agnostic, and I find it difficult to believe that there's a link. However, the following article claims that there's one: The quality of English writing has declined, a new book claims, in tandem with a decline in widespread public...

I'm at a good school but I really dislike my writing teacher... It's such drugery right now. I'm afraid I may get a C so I want to withdraw halfway now and take it later with much nicer instructors. which looks less bad on my transcript: C or W? Thanks. EE major

For everyone out there that has every pulled their hair out writing an abstract for some experimental work, I have a nice recipe for how the first couple sentences of one should go. We have measured (insert type of data i.e. time resolved absorption spectra, x-ray diffraction, surface...

Homework Statement A particle of charge q and mass m is traveling in the lab with velocity v in the x direction when it encounters a constant E-field in the y direction. State the non zero components of the Faraday tensor in the rest frame of the lab. The Attempt at a Solution I said...

Hi, I am currently going through the process of transferring into computer engineering or computer science (first and second choices, respectively) and I was looking for some guidance in what I should be including in my letter requesting to make the switch. I assume; - simply explaining my...

1) in my exams there were 3 simple questions on integration carrying 5 marks each, i solved them correctly but the only mistake i did was at the end of each step i didnt write "+c" like for example the final step of an integration problem is suppose say: x2+9x2+c so how much marks i will...

Hello, This isn't a homework question, but I could not find a better place to put it. I'm writing a document (my resume, actually). I was trying to have in one spot an area left justified that says "2006-2007" that is contained in an invisible box exactly 1 inch wide then have a text box...

So, I’ve talked to most of my friends about this, but since all of their solutions involve excess drinking and random hookups in attempt to forget about this guy, I've decided to turn to what I hope is a more logical and mature group of individuals! Also, the fact that I am currently...

So I got an admit at NCSU for PHD math finally. In fact, it was the only school I got an admit from. Unfortunately, (Yep you guessed it!) I did not land myself any sort of funding. They seemingly decide upon Teaching Assistantships once in a year, and that's that! So, my only option on getting...

For my second writing GenED at Towson University I have to develop a proposal. I am proposing a scientific writing course designed the help science majors with writing journals and researching. The idea is to take this before advance lab classes. Problem is I can't find any data to support...

I need to write one for my first year Lab course. My current idea is to write about the future reversal of the Earth's magnetic field, and how it might affect things on earth. However, I've looked into some theoretical effects of the shift (mainly during the shift itself) and there doesn't seem...

I have been asked to write the following two first order equations in matrix form. x' = y y' = -x I also must state that the follow on to the question asks for the only fixed point. The two first order equations came from a modified Van der pol equation.

Homework Statement The first 3 parts of this 4 part problem were to derive the first 5 Hermite polynomials (thanks vela), The first 5 Legendre polynomials, and the first 5 Laguerre polynomials. Here is the last part: Write the polynomial 2x^4-x^3+3x^2+5x+2 in terms of each of the sets of...

Im not even halfway through my degree yet, but i want to start seriously looking for some vacation work experience in the field of chemical engineering. I have just heard about an expo being held on the weekend where undergraduates have an opportunity to talk to various companies about their...

Hello, i seem to have a conundrum on my hands that i hope the kind people on here might be able to give me some tips about how to handle. I am currecntly working on my bachelor degree in physics, and have one more year before I'm finnished with that and will go on to my masters(and finally...

Hi, I'm writing a dissertation and would like to do it in Latex, I was wondering if anyone could recommend a good template that will work in MikTex for this purpose? It's to be in the style of short report on a topic not a paper (i.e. no abstract, few references), just like an essay I guess...

clc clear f = input('Enter the force applied in lbs: '); p_c = input('Enter point closest to pivot: '); p_f = input('Enter point farthest from pivot: '); filename = input('name of file is: ','s'); points = input(' # of points to calculate: '); x = [p_c;rand(points,1)*p_f-p_c+p_c;p_f]...

Hi, I am a physics undergrad and this term I have to write a 3000 word essay on one of about 10 possible topics. One topic which caught my eye was laser fusion. Whichever topic I choose, I will need to find information from a variety of proper sources (not just trawling google). This is what I...

While I had no intention of posting this here, but I cannot find anything on Google about it, and it's really annoying me today. This might be a shot in the dark, but it's better than nothing. When I write, especially with certain letters and numbers, I stutter. When I start to write a letter...

Hello :smile: Sorry if this is in the wrong place, I don't know where else to put it. Is there a way to write radians as decimals in terms of Pi? I'm currently doing Polar Coordinates with Argand Diagrams, and this is something I'm curious about. I've just done a question and come...

This is not homework. I just need help tackling this analytical problem which is apparently beyond my skills. I am modeling an imaginary physical situation. What I have here in my brain, is a photo sensor in a dark room, pointed squarely at a window, from some distance away. Actually the...

Hi, Can someone explain to me how to write a matrix as a sum of outer products like \left|\psi\rangle\langle\psi\right|? For example how would I do a CNOT gate? http://en.wikipedia.org/wiki/Controlled_NOT_gate I assume this is fairly easy since it is always assumed and I have kind of picked...