Guidance Definition and 470 Threads

Hi, I been trying to do this exercise, visually it looks very basic but I just need some guidance, thanks in advance :).Homework Statement Calculate the Force AB in Cable and the angle(theta symbol) for support system shown. Point A pinned and Point B connected as a cable at an angle( not...

The idea has been bounced around, and i thought to see if anyone here had any guidance before i tear into the literature. What kind of circuit is necessary to determine the frequency of an rf signal? The situation: An rf transmitter is pumping out waves (no modulation or data to be decoded)...

hi I am new to this forum , i m really frustated regarding my career i have done masters in physics in India then started doing phd for 6 mnths (which i was not interested in) got married , came to usa, planned family . now I am 29 and want to start a career after 4 years of gap i got my...

I changed it to a poll lol. Lots of people were looking only one replied. What would be the best choice of a dual major to complement aerospace engineering? Refer to this course catalog if needed: http://www.catalog.sdes.ucf.edu/UCFUGRDCatalog0910.pdf By the way I Plan on going to grad...

Thread Removed - reposted as a poll

Need some guidance :) Hey Everyone, I'm not sure where to post this so ill post it here :), sorry if it is a long read. This is my first post but i have been checking these forums every day for the last year. I'm currently and undergrad in IT in Australia and i am hoping to switch to science...

Hello everyone of PF. I am a 14 year old boy who just realized how fascinating and captivating physics, mathematics and science can be. I have decided, early as it may be, to study those 3 subjects and find a career involving them. I had been reserching for a website such as this one to help me...

Hi, I'm going into 1st year university in the fall and I'm kind of nervous because I'm attending a really competitive engineering program in the U of T (Engineering Science). Does anyone have any general advices on how I could succeed academically? What are some courses that are typically hard...

Hi Guys, I have been reading the posts on this forum for quite a while, and really value the suggestions and guidance. I am from Bangladesh. I would really appreciate your guidance. I finished Part3 mathematics(this is unique to Cambridge and equivalent to something like MPhil or MSc)...

Hello, all: I've just discovered this forum while on a quest to find some assistance with a development project I'm working on. To start with, this is currently very much just a labor of love and a hobby, though I do have hopes that it might attract serious attention (i.e. make money)...

This can get a bit personal, hopefully you can help me out. I have my own dilemma. I'm currently a high school student, about to graduate in a couple of years. I want to do either mathematics/physics in college, hopefully work my way up to Ph. D., and work in the academia, or private sector...

Hi, Let me start off by saying I am new to the forums I just discovered them last night and just made an account. I find these forums to be an execellent source of information and guidance to anyone looking to gain knowledge on physics. I'm 17 years old, going to be a senior in high...

I'm trying to figure out which classes I will be taking for my freshmen year in college. The score I got on my AP Calc AB test places me in Calc 2, but looking at the course syllabus it seems like stuff I already know pretty well. However, the school strongly recommends that students who took...

Hello All...I'm new to the forums here. I'm really needing some advice/input on where to go with my education. I'm 32 and just started back to school last fall. (I was in aviation from 19-29, then misc jobs 29-30). I've always wanted a bachelors and have been fascinated with science, but...

a little guidance with thermal conductivity please... Homework Statement there isn't really a problem statement, as its a lab write up I'm doing. we had two blocks of the same metal, one at room temp and one at a fixed temp of almost 50 degrees. a Rod of different metal was put between...

Hello all, Let me first say, "Hello PF." This is what I'm trying to decide: I'd like to spend this summer by self studying a range of topics. The problem is, I really don't know what I should study as I honestly have no clue what I want to do in college, etc. I started working through two...

Hello everyone. I needed some guidance with calculus. I am currently a (sophomore? Sorry, I'm not following the US system) and I used stewart's book to learn single variable calculus, but I didn't do the exercises from the book, and I did the exercises at the AP level. I took my AP Calculus BC...

Hello everyone, thanks in advance for taking the time to read my giant wall of text. I am a junior in high school, and just recently got interested in college, and one in particular. I am not a good student, my gpa is almost 3.6, and i only have 1 AP class. I really want to go to USC...

http://i615.photobucket.com/albums/tt237/chaz0426/Problem2.jpg it asks to solve for V1 and V2 using nodal analysis however I'm not sure how to solve this particular one because there is a voltage source and a resistor between the reference node and V1and I'm not sure what to do. Here is what...

Hi I just received word that I have won the NSERC scholarship that I applied for last September. Unfortunatly I had to leave my PhD position in high energy physics last December due to financial/family responsibilities. After some job searching the last few months I realize that I was naive...

Homework Statement http://i615.photobucket.com/albums/tt237/chaz0426/Superpositionproblem.jpg Homework Equations The Attempt at a Solution I know you have to analyze the circuit by turning off each independent current/voltage source and I've done several practice problems in my...

I am enrolled in ILC independent study to earn a Gr. 11 Physics credit. I took gr. 10 science as a prerequisite but it turns out I'm stuck right now on Chemistry and the Physics section as I forgot everything from grade 9. This angers me because ILC takes forever (there is a lot of stuff I...

Recently, I seem to have been stricken by a learning bug. I have just been craving knowledge of all sorts. I currently am not in college, and it has been several years since I took a math class. I had Intro to Astronomy last semester, and that was pretty decent. However, I currently am wanting...

I am just starting to learn about attitude estimation and control of a flying(or actually, a freefalling) vehicle. There will be inputs from accelerometers and gyroscopes, Kalman filtering to estimate the correct attitude and control algorithm to achieve the desired attitude. I am still...

Need some guidance as I'm the first of my ancestors to go to college :) Well my parents came into the USA in hope of a better future and for a better education, but they could not afford it. Both of my parents are high school dropouts from a 3rd world country, so asking them for guidance is...

Homework Statement Suppose f is a real function on [a, b], n is a positive integer, and \f^{(n-1)} exists for every t in [a, b]. Let \alpha,\beta , and P be as in Taylor’s theorem (5.15). Define \ Q(t) = \frac{f(t)-f(\beta)}{t-\beta} for \ t \in [a, b], t \neq \beta , differentiate \...

Hello, everybody. I'm new in this forum, so I didn't know where to post this, but it's concerned to some guidance I'm needing for learning more physics. Here's an explanation: I discovered some passion for quantum physics, and I'd like to learn more about quantum electrodynamics. Actually, my...

I am a 17 year old Junior in High School. For most of my life I have completely slacked off in my education. I've always gotten by easily enough, but never really LEARNED anything, it seems. Sometime last year I realized what I wanted to do with my life. It started from something I saw on...

Homework Statement Consider the hot exhaust gases in the cylinder of an engine (diesel engine) just prior to the exhaust valve opening. (a) Determine the work (power) potential (exergy at a state) of these gases in kW. (b) Can any of this energy be recovered or must it be dumped to the...

Homework Statement A can is filled with water to a depth of 37cm. A hole 12 cm above the obttom of the can produces a stream that is directed at a 34 degree angle ave the horizontal. Find the range and max height of this stream. Homework Equations by kinetcs The Attempt at a Solution...

Homework Statement 1) The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person's eyes and the building is d = 68.0 m. In part a the person is looking at the base of the antenna, and his line of sight makes an angle of θ1...

Why hello, I have come across the surface integral \int\int(\frac{xz}{\sqrt{16-x^{2}}+x})dzdx My query is, which type of integration do I use to solve the first part of this double integral. The solution is: \int(4x+8)dz = 90

Hi, I am a student of (indian) IIT Madras(first year) in the department of aerospace. I am thinking of applying to US universities as a transfer student (in likes of MIT, etc). The reason being that IITs and so do India doesn't have enough oppurtunities in the area of my interest (aerospace).l...

Hi I'm a fresh graduate who is interested in pursuing a master program at any lead's school over the nation. In fact, I'm an electrical engineering major; however, I haven't decided yet which a program that I'll do. I'm really confused betwen either a biomedical engineering, bioengineering or...

I'm currently a freshman math major and registration for spring semester has got me thinking about sophomore year already. I'm currently taking a year long honors course which treats multivariable calculus and linear algebra at a theoretical level. For an idea of what this course is like, we...

hi there! I´m doing vector analysis the last two weeks and I feel unsure about this identity. Can anyone of you say if I´m on the right way, and if not where my mistakes lie :) A_i(\vec r)=\sum_{j=1}^3R_{ij}x_j, R constant 3x3 matrix I have to calculate rot\vec A, rotrot\vec A...

I am currently striving towards an Honours Degree in Physics at the University of Saskatewan. However, I am hearing a lot of negative information regarding my path choice, and am looking for some unbias guidance. Basically, what I want to know is what kind of programs are there in terms of...

I was looking for some guidance on how to attack this problem. Consider the nonlinear ODE: y'(x)+y^{}2(x)+Ay(x)+B=0 (y prime + y squared with A and B constant coefficients) Show that the solution is given by y=z'/z, where z(x) solves the second order ODE: z''+Az'+Bz=0...

Is it safe to enter the defense industry after I graduate in May 2009 with a BSEE? I already have accepted a job with a major defense company in California. They do work mostly on radar/sonar/surveillance/missile defense.

Hey everyone, I have a few questions for any engineers: Do any of you ever get overwhelmed by all the information and tech. that is out there. It just seems like engineering is a field where it is impossible to know everything. Sometimes I think about what it's going to be like when I'm given...

hey friends why is gravitational potential negative?

Hi all ! I am a high school graduate and am hoping to pursue a degree in electronic engineering. But, I am not sure if electronic engineering matches my interests. My interests are in computer, communication systems, digital devices, and also programming the devices, etc. Is electronic...

I'm to start at Aberdeen, UK, where I have 4 compulsory (basically mechanics, waves, optics +electronics, relativity and quantum mechanics) modules and 4 optional modules. This is basically the only time I can choose modules - the next two years are pretty much set. Disappointingly, there are...

Confusing projectile motion problem -- need guidance Here is the picture of the diagram. The Question: A woman throws a ball at a vertical wall d = 3.6 m away. The ball is h = 1.8 m above ground when it leaves the woman's hand with an initial velocity of 16 m/s at 45°. When the ball hits the...

Confused High Schooler seeking guidance in Intrests,Education and Career! First of all I want that you for helping and a hopefully being understanding I don't plan to even declare are major until end of Freshmen year, but I would like to learn a bit more about my science/engineering...

I am overwhelmed by this super competitive science world - where fifteen years olds are entering university worthy research into science competitions, and students are encountering calculus in middle school. I go to a Performing Arts School in NYC which is the farthest place for one who is...

Which colleges are well known for having good engineering, physics programs? I'm going to be a senior in high school and I really love physics but I don't think I can get into the top notch universities like Stanford, Caltech, etc. My SAT scores aren't too good (reasoning: 1970, mathII: 700...

Hello all. I'm going to be entering my second year of college in the fall. I have a deep love for math and physics and I have decided to major in Mathematics. However I have a very limited background in mathematics. I will be starting Pre-Calc this upcoming semester and I am trying to hit the...

Goal: To transmit a number from one location to another without wires. For example, the number 20, and to transmit it from one place to another. I'm not worried about distance or anything specific like that right now, however I want to be able to change the number that is transmitted, and...

So first of all a little background. I am a rising sophomore at Swarthmore College and I have absolutely no idea what I want to do when I grow up. I have had some free time this summer before my internship starts and have been thinking about it, so I can plan classes out for the near future...