Class Definition and 909 Threads

My class sucks :( I finally got all my midterms back. I am really pissed off by two of my professors. One simply used assignment questions for the exam (I told him to be creative), and second one raised the class average from 60 (which is pretty normal) to like mid-high 70, and lots of...

Did the rocket lab in my physics class Shoot a air compressed rocket off of a base that can be angled (though we did not get to angle the rocket) shot it upward and what not. It had 3 different caps (lo, med, hi) and we did each one three times and recorded the data. The problem is I was...

I'm not doing too well this semmester. I should pass all my physics and math courses, but I might just fail a computer science class. I was sick for a week, missed some days, and then haven't been able to catch up. It hit me hard on a test. So, my question is, if I end up with an F or a D in...

Hi! I want to know if I do correctly this excercise!? http://img232.imageshack.us/img232/4857/calculo1ui2.png I am in stress because of this class! Me está volviendo loca!

A 500 g ball swings in a vertical circle at the end of a 1.5-m-long string. When the ball is at the bottom of the circle, the tension in the string is 15 N. What is the speed of the ball at that point in m/s?

Hello! I am an second year undergrad at a liberal arts college majoring in physics. I want to go on to grad school in physics (although I have no idea what field right now, but I'm leaning toward theoretical). My school's only math requirement for the physics major is a class called...

Hey Guys, My teacher left us to do the proofs for the tricks that tell us a number is divisible by 3, 7 and 11. For 3 and 11, they were pretty straight forward since I knew the trick before hand. (a number is divisible by 3 if the sums of the digits are divisible by 3. or divisible by 11...

I am an engineering undergrad, and always get top grades in my courses, but find myself quickly forgetting the material soon after moving on to new courses. For example, on our first Calc III exam, I forgot how to integrate a very basic function for the integration of a vector function...

It's so annoying and boring, I'm doing algebra and triginometry for college students. I feel like I did all this already in high school but it was a coupla years ago and I've forgotten it and this teacher is just so boring, but I try to adjust the best I can. That's why I just needed some...

I am really struggling with what to do with this class. It is a general "science" class, meant to be the third science credit for students who are not very science-minded; as such, it does not count toward the admissions standards of the state universities around here--it is a...

Preparing for class and tests??... What do you guys you guys usually do to prepare yourself before a lecture? Whether it be a physics, organic chem, poly sci course, what is the one thing you usually always do before lecture?? Also, how about tests? Read prior notes, outlines, etc..?? Just...

What are the harder topics in an calc based intro to probability class? I'm taking it in 3 weeks so I have time to prep. Here's the course layout:http://www.math.ucla.edu/ugrad/courses/math170ab/170Aoutline.shtml

Homework Statement A hydrogen atom has a diamter of approximately 1.06x10^-10m, as defined by the diameter of the spherical electron cloud around the nucleus. The hydrogen nucleus has a diameter of approximately 2.4x10^-15m. Homework Equations (a) for a scale model, represent the...

I am an incoming sophomore that is majoring in math and having a potential interest in studying physics along side. Right now, I'm trying to take one more class alongside of physics (first year), abstract algebra, and history (for grad requirement). So far, I found these three courses to be...

I will be a junior in physics this fall. I am done with all undergraduate level classical mechanics, E&M and quantum mechanics courses. I think I want to do experimental physics. I have been working under an AMO physics professor whose research is about ultracold atoms and quantum optics. I have...

I'm sure that for many of you this class is old news; but I just started elementary number theory this summer and, as much as I love the challenge of the course, and doing these proofs; I feel like an amateur boxing Mike Tyson here. These things are chewing me up and spitting me out. Granted I...

An exercise I am trying to complete is to create a base class pointType which has functions to get two coordinates, store and print them; then to create another class derived from pointType that will find the radius, centre, area of a circle, and print these; then to create another class...

That ticks me off. :mad: It was supposed to start next Monday. I have the option to take a 5-week Linear Algebra course at another school, but I don't want to cram this course at all.

What does it mean the number after the stellar class? Magnitude?

Hi, I need to build a telescope for my physics class. I need to use any 3 lenses(converging or diverging) and 1 mirror. I was thinking of using an achromatic telescope design for that. However I am not sure what kind of lenses to use and whether I should make the eyepiece from two lenses or just...

Miserable Math Class, Finally Over! I took PDEs this semester. This class was a 400 level, (upper level math class undergard), but my teacher was a real jerk. We did wayyy more chapters than any other class. He talked down to the class when he lectured, constantly. He gave a homework every week...

How do you show that the surreal numbers form a proper class?

My physics teacher gave us kind of a cool end of the year project: To construct a boat made entirely out of newspaper, masking tape, and shellack (I think this is the proper spelling). The boat will then have to go from end to end in a pool and the first person who does so wins. My idea is...

I am working on a final project for my AP Physics class and must do some research on Relativity. I just have a few questions and was wondering if anybody could answer them for me. It would be greatly appreciated! 1. Assuming that traveling at the speed of light were possible, "time" would...

I need advice with my "Discrete Structures" class Hi everyone, I'm a sophomore undergraduate student at the Polytechnic University Of Puerto Rico, currently majoring in "Computer Engineering", for the record this university works by trimesters. I'm currently getting a bit frustrated with my...

Suppose I get a C/D in one class. I then choose to retake it. How will this look on a graduate application? Assuming I get an A on the retake.

The teacher doesn't go slow enough, and make sure you understand the material.. What he goes over in class isn't on the test or homework, so I am close to failing. I was hoping to get some help. I have an online test tomorrow (friday) and was hoping i could post some questions, and maybe get...

I am currently in the process of choosing my classes for next semester. (EE major) I need to pick some general education classes, because unfortunately the two that I've taken didn't transfer correctly (or how I would have hoped). I can take 210 Philosophy Introduction to logic - which I...

what is storage class in c++?

I'm using VS C++ 2005 in MFC, and I'm trying to access a member of another class. I'll try and make this as short as possible and still give the whole picture of what I am trying to do. I created a SDI with the CFormView Class. I have a dialog with an edit control box with a CString...

[SOLVED] Java LinkedListNode class Hi.. I'm trying to understand a generic linked list...in Java. I understand that I should have a LinkedList class containing a Node class. The Node class should have an info variable and a link variable.These variables should be accesessed through the...

I need a bit of help here, as part of a class project i was trying to explain how fusion, binding energy, reactors etc work. I always like to go a bit more indepth than the syllabus requires, and i wanted an explanation of how D-T fusion worked mathematically, to clearly show how the binding...

Seen it, heard about it, what? The director is coming into our gifted class to have a Q and A about it.

This is review from class the other day that I managed to miss because of illness and I was wondering if someone could explain how to go about solving these problems: #1 Let B = \left\{ \frac{(-1)^nn}{n+1}:n = 1,2,3,...\right\} Find the limit points of B Is B a closed set? Is B an open set...

Can anyone give me a simple example of how to creating a wrapper class in C++? Or maybe a link to a tutorial would also do.

hi everyone, i had a class where my teacher was talking about this but i don't know where this comes from, if anyone knows could you please give hint on the type of material this is. Like what type of mathbook i should be looking for. the problem was: Demonstrate the following...

Do you guys think it would be a wise choice to take an into to programming class online if you've never had experience with it before? I'm going to transfer to a state university next year, but I need a few basic programming classes first. The college I'm at right now doesn't offer the ones I...

Hello in my physics program at Trent university (Canada) we have replaced written midterms with interactive tests where we are given a remote and multiple choice questions on the slideshow. For each question ( all conceptual) 1 minute is given per question (5 choices per question). Each test...

Can someone look these over and answer them so I can make sure my work is correct 1. The value of g at the Earth's surface is about 10 m/s2. What is its value at a distance from the Earth's center that is three times the Earth's radius? 2.Calculate the speed in meters per second at which the...

hi, any hints to give me a good idea on how to solve this question would be greatly appreciated: Question: let G be a group acting on itself by conjugation, g . x = gxg^{-1} Describe the set-theorem and numerical forms of the Class Equation for these actions explicitly when (i) G =...

Besides being a partially ordered set by set inclusion, what else is the set of all classes O(f) where f:N->N.

Alright, I am in Physics and my teacher is doing the typical egg dropping experiment BUT! we have rules 1. the volume of the container can be no bigger than 12in. by 12in. by 12in. 2. we can only use raw eggs, and the egg can't be drained 3. the container can't contain any fluids, or gels...

I am currently taking 5 classes and a lab. Dynamics Electromagnetism Circuits Intro to Computer Engineering Differential Equations -Intro EE Lab I am kind of feeling overwhelmed, I just transferred to another school and I guess I kind of got overanxious and took too many classes (not used to...

Sorry if this topic has been visited in the past, but I'm having an extremely hard time with Intro to Mechanical Physics and it's a pretty awakening experience. I'm 99% certain I will fail the first test tommorrow and the reason I'm writing this rather than studying is because studying doesn't...

Hello, The last post I made included my life story, so this one will be more to the point in hopes that more will respond. I am worried I am going to fail the second quarter of mechanics (or at best get another C). I earned a 27/100 on the recent midterm. My homework scores are also below...

My class is having a debate this Monday. The debate is about "What cereal is the most nutritious" and why. So far I've been researching everything on my own. Unfortunately, when I search wikipedia or any other site that has neat little facts in it, I get distracted and go off on rabbit holes...

I am in high school chemistry and we are learning about gases. Do gases expand indefinitely? Or at least until the gas is evenly distributed throughout all the other gases that are present?

Hi, For math we were assigned a subject which we'd present during one class' hour in a group. My group got "Eigenvalues & eigenvectors". So basically first I have to give the definition and explain what it actually is (AX = \lambdaX) and then we can spend the rest of the 45 min on making class...

Should i register for one more class?? Hi all again, i had a similar thread somewhere but slightly different. I registred for classes today and i took for this spring semester: Calculus I, Elementary functions, Statistics I, Exploring the arts and sciences, and i am in a big dilema whether i...

http://www.nytimes.com/2007/12/21/nyregion/21cats.html To Dismay of Inspectors, Prowling Cats Keep Rodents on the Run at City Delis Across the city, delis and bodegas are a familiar and vital part of the streetscape, modest places where customers can pick up necessities, a container of...