someone could juz tell me roughly how to work out this set of qn please? i have been thinking and doing a lot of workings but none of the ans is remotely close to the ans... :(
1) the reaction below releases 56.6kj of heat at 298k for each mole of NO2 formed at a constant pressure of 1 atm...
Not really a "help" question, but it is coursework related... now that the Physics A-level coursework and Practical Exam are over (so no chance of being accused of cheating), I'm curious to know: what did everybody think of them?
All I can say is, there wasn't enough time. The spring question...
AS Psychology Exam Today :)
Anyone else have a psychology exam today? :)
I personally think I did rather well considering we missed a lot of tutorials due to my teacher been ill, and I'm kinda happy about how I did. Although the 3 hours took it out of me :-p Anyway any other Uk AS students here?
Hi. I have exams coming up soon, and i was given a practice exam to...practice with. Anyway, there are a few questions i am unsure about, and would appreciate it if anyone could please tell me if i have done them correctly.
____________________________________________
1. The first term of...
hello i really struggle with this!
i can never get the equations right or anything!
i can't find any sites that help!
i have a practical exam tomorow that could be about it
please help thanks
exam question...
Equal masses of two liquids of density P and 2P are mixed together thoroughly. Whats the density of the mixture provided the total volume remains constant?
1.4p/3 2. 3p/2 3. 3p 4.5p/3
im getting 4p/3...:frown: is that correct?
I get to have *one* cheat sheet on both sides for my electronics exam tomorrow. ONE sheet to put THE ENTIRE course of formulas on. I can't write all that so neatly, so I asked the professor if it's ok to type it. So if anyone needs an EE cheat sheet, here you go!
I need to review this crap...
Okay, I am back for one more time. Last thread of the semster. Thanks for everyone's help for the other 3.
Question 6
http://online.physics.uiuc.edu/cgi/courses/shell/phys101/spring06/prep2a.pl?practice/exam2/sp06
How would you go about finding this problem
I know torque =...
I am Wes, and I have a Physics exam this morning at Laurentian University. I am actually a Biology/Education major and will likely take a Physics minor.
This exam is on basic physics and some more advanced calculations.
For this exam, we are allowed to use all course notes and laptops for...
hi, i got an exam soon and i need help with a couple of problems
http://online.physics.uiuc.edu/cgi/courses/shell/phys101/spring06/prep2a.pl?practice/exam3/sp05 Question 7.
How would i find the tension i know that i must use Bernoulli equation but what would i be solving for
Hello everyone, I'm studying for my exam. He gave us anice little pratice exam. Am i thinking too much about this one? Part (a) seems to easy.
http://img235.imageshack.us/img235/1554/lastscan9dx.jpg I think I'm trying to make x^(n-c) be x^(n)
well to do this, i would add c to (n-c), but if u...
Hello everyone, its exam time so I'm just reviewing all the different techniques for Diff EQ and i hit an exact diff EQ problem and i was just wondering if someone can check to see if i did it right. HEre it is:
Directions are find a relationships between x and y of the form f(x,y) = c...
Boy i had two exams today... one in linear algebra and differential equations, another in 2nd semester general chemistry...
I feel like the exact opposite of having mad sex with 50 hot women while cashing in a stock certificate of microsoft from 1989. The exact opposite. It's like that...
If you are not from Alberta, for each senior year high school academic subject you write a diploma exam that is worth 50% of your mark in that course. I scored 97%. Many of my friends got in in the 90s on this exam, and a few obtained a perfect score. I plan on going into some sort...
Well I am having my exam tomorrow over special and very basic general relativity. I have one area I am still a bit fuzzy on now that I look back at our last exam. I am confused on when you can use just Lorenz time dilation/length contraction to when you need to use the full Lorenz...
http://www.signonsandiego.com/news/education/20060209-0016-ca-exitexam-lawsuit.html
So ... do you think an exit exam is "illegal [and discriminatory]" ?
I've been revising for my exams with past exam papers supplied by my uni, but they don't supply the answer schemes for them. Would some of you guys look at them for me if I put the question and the answers I get?
Thanks
1) i) calculate the change in length of a 1.5m long copper bar when...
Hey PFers,
How do you study for exams? I missed my physics and math exams (gr 12/IB HL material) in early december due to Bronchitus and now I have to write them in January.
What methods/strategies do you use to study for these subjects? Physics there is both conceptual and applied type...
very depressed...
Hi all..
Just finished my thermodynamics exam...do badly...not expected to be that bad...
I used to score greatly in the first year...I got A+ in nearly all courses..
But this time...I am afraid that I would probably get a D or even worse...how can i accept this...sigh...
Two 10-kilogram boxes are connected by a massless string that passes over a massless frictionless pulley. The bxes remain at rest, with one on the right hanging vertically and the one n the left 2.0 meters from the bottom of an inclined plane that makes an angle of 60 degrees with the...
okay this is really retarded. but i actually got stuck on this question today. i think it went something like:
a car accelerated from rest and traveled 81 meters in 9 seconds. what was its acceleration?
it was like the simplest Q on the exam. but i cept thinking it must be 9m/s/s because in...
I'm Done!
It's all OVER!
I wrote my last exam today!
I can't wait to start my next term though with my new organization skills. I started getting organized half through this term, and I have to say it paid off. I had no choice to organize myself because I was working like a madman, but I...
stokes theorem says \int_{S} (\nabla \times G) \bullet dA = \oint_{C} G \bullet ds where C is a closed curve bounding the open surface S. Note : dA =n dA, and ds = t ds
use stokes theorem to prove that hte Faraday law of induction \oint_{C} E \bullet t ds = -\frac{d}{dt} \int_{S_{C}} B...
My physics professor attempted to teach two chapters of new material within two class periods, but unfortunately this is not enough time to cover the material as in depth as we will be tested on. Exam is this mon and I am very confused about the things he did not explain - I feel like he left...
Hey, These questions are in my textbook and seeing that I have an exam coming up any help with these problems would be greatly appreciated.
1) A space shuttle is located in 'deep space', where the effects of gravity can be neglected. It has a mass of 120 Mg, a centre of mass at G, and a...
Would you pass? I don't know if I would or not...
Snopes has an interesting commentary on the exam: http://www.snopes.com/language/document/1895exam.htm
Please refer to page 6 of
http://www.physics.usyd.edu.au/ugrad/jphys/jphys_webct/jp_exams/1902_exam_2004.pdf
I'm quoting from the solution guide:
http://www.physics.usyd.edu.au/ugrad/jphys/jphys_webct/jp_exams/1902_exam_solutions_2004.pdf
P_1 = P_A + \rho g y_1 and P_2 = P_A +...
Help Exam Tmr! 112 Physics *FORCES*
As you may have guessed from the title, I'm in a bit of a bind here. You see the website with the answers to the review questions I'm working on isn't working... and there's an exam tomorrow. Here's a few of the questions any help would be greatly...
Hi all, i am currently studying for an exam, and so i am going over the questions in last years exam. Unfortunately we were not given the answers, so i am not sure whether i am getting the questions right.
If its not too much trouble, and someone has a bit of time to spare, could they verify...
I had a midterm today, and I think I did bad on it even though I studied hard for it.
When I first glanced at the paper, I knew how to every problem. But when I started to each problem, my neck started to go stiff, and I couldn't think properly. It seems as if though everything I studied...
Hello everyone, This problem is bugging me because the professor showed me this is how you do it, the day before the exam, so what do i do? well I do it the way he told me, and I totally miss it. Here is the problem:
I'm going to let f(x) be the function to make it easier to read:
f(x) =...
I will be a freshmen next fall and am interested in taking the Putnam, even if I won't do very well. Can someone suggest a good book I can begin working out of now so I can prepare?
Thanks.
ODE Exam! A simple ODE...please help!
I've got a midterm exam later this morning on ODEs. I know how to solve second-order and higher ODEs with constant coefficients, but what about variable coefficients??
Can someone please walk me step-by-step through the solving of:
y'' + A(x)y' + B(x)y...
Hello everyone! I need to seee if i did this problem right...The answer isn't in the back of the book and I'm studying for an exam! here is my work and problem:
http://show.imagehosting.us/show/775021/0/nouser_775/T0_-1_775021.jpg
if that link is slow check this one...
Hi all! This is my first post... so have mercy on me o:)
We had an exam from computer technologies today and there were only 8 of us loosers who still didn't pass it :blushing: and no one is sure about the correct solutions:
1.) What is wave frequency of 0,5m long whistle sound? What is...
I have a system of equations
2x + 4y - z = 2
x - y + 2z = 1
I need to find a third equation so that there is a unique solution for the unknows x , y and z, and find them.
Please help
Thanks,
"You are locked in a 50x50x50-foot room which sits on 100-foot stilts. There is an open window at the corner of the room, near the floor, with a strong hook cemented into the floor by the window. So if you had a 100-foot rope, you could tie one end to the hook, and climb down the rope to...
I need to prepare for a very important exam in 6 months and I'd like to start training sometime in October. If I really needed to consume a lot of information in such a short amount of time - what is the best course of action? I've outlined a few possibilities, and I'd like to know your...
Hi, guys! :approve:
My exam comes in one week, so I need your urgent help :cry:
I found out, that one of the problems in the exam will be about convertion between rounds per minute (of a CD or HDD) and megabits per second (as reading speed). I have no idea what is the dependence between...
I'm ashamed. Brrr...Just that stupid examiner. :mad:
He said to me "park where you can here on the right" and I was too sure of myself. I saw an empty place and I started to do the parking...till he told me: "stop boy, did you see that signal of parking forbidden here??". And that was the...
Dynamics Help. My exam is on Monday!
My Dynamic's Unit Exam is on Monday and I need help! Last week I had my Kinematic's Unit Exam and my written was something like:
How do you find the acceleration of a runner running the 100m sprint? Draw a sketch, list all the formulas you're going to...
:smile: :-p :-p :biggrin: WOOOOOOO I just opened my post and got my exam results!
I passed them all with a grade ave of 83%, probably not the best but I`m very happy with it since i`ve beeen out of education for nearly 10 years and really got stressed over the thought of having to sit...