Tips Definition and 533 Threads

Hey everyone. I've just gone back to university after a number of years off, and I'm looking to take Calculus in the fall of 2008. My problem is that it's been 9 years since I did Precalculus, so I was thinking of self studying through the summer. I've picked up Precalculus by James Stewart...

Not really a specific question, but I am really struggling with the comparison tests for infinite series. I just finished doing quite a few problems from the section. I went in pretty confident, but after completing the section I was bummed that I only did a less than a handful correctly. My...

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...

I totally can't figure out rate mechanisms for whatever reason. A three-step mechanism has been suggest for the formations of carbonyl chloride: Step 1 Cl2 -> 2 Cl(fast, equilibrium) Step 2 Cl + CO -> COCl (fast equilibrium) Step 3 COCl + Cl2 -> COCl2 + Cl (slow) What is the...

Never mind there, I screwed up my logic flow

hey i just need to know how you guys study, like generally especially for english class. I don't know how to properly study and i don't think i will benefit from the way i study. So if you guys could teach me that would be much appreciated.

Hi all. I'm going on Monday for an interview in Atlanta for Georgia Power's Distribution EIT program. They emailed me monday and just gave me the exact time. Monday at 8am. This is my first interview. I have another interview early january for Kysor warren as entry level Design engineer...

[b]1. Given a wooden plank mass 7 kg total length 4m supported by 2 sawhorses which are located l1=0.45m from left end and l2=1.5m from right end ...a cat with mass 3.9kg jumps on left end of plank and walks along to right side . How far is it from the right when plank begins to tip ...

basically I'm in the last 2 chapters of multi variable calculus (right now in double integrals) and i know how important it is in some exercises to sketch the 3-d graphs accuratley. However all the 3-d graphs that I'm trying to sketch are very off... even a simple shape like a cylinder looks...

Iam not clear on how to prove a equivalence relation? I know that is has to have three properties reflexivity, symmetry, and transtivity, but I am unsure how to check. For example Iam given f is a function from z to d. R(z,d) = binary relation How do I prove that R(z,d) is a equivalence...

I have built a number of Marx generators ranging for 30KV to 4MV I have achieved good rise time but I was wondering if anyone else here had experience with them and could help me with decreasing the duration. I mainly need just building tips and such. My current one I am building will be in...

Hello, This is my first post. Anyways, from the beginning, since I started learning the subjects at higher level, I have faced this problem - How to determine if the nos. is a prime no. ? The numbers under 100 are known to me, but if a bigger digit comes, are there any tricks to...

I assume most people here are have more ability on any field of mathematics than me, so can anyone here give me any example, tips, trick, your experience, when you’re facing calculus? Because I am very impressed of my friend ability on his knowledge of science especially calculus and I...

I am a sophomore in ME at Purdue and we are getting ready to have our engineering job fair. I really (emphasis on REALLY) want an internship for this upcoming summer but my resume looks really...blah. I've never had another internship to put on the resume so I'm really starting from square one...

Hey PF!, i don't know if you guys remember but i was asking a while ago for a possible investigation topic for a thesis. Well guess what, it's done and is on pavement engineering. Now i need some tips i could use to do a well presentation. Maybe some tricks to keep the jurors happy, like some...

Soldering Wire?? What kind of material is used for making a soldering wire?? I mean, what should be the properties of the material?? Can anyone help me out for this??

P. Chem--advice? I know, a physics major taking P. chem...why would he put himself through that? However, the topic has peaked my interest and it appears that what I want to do research on will require a knowledge of P. Chem, so my question is simply: Anyone have any survival advice? The...

Does anyone have any tips for successful labwork ?

as a disclaimer, I'm not sure if this is where i should be posting this... i will be tutoring a kid (13 years old) in algebra soon, and i was wondering if there were any games or techniques that i can use with my student that have shown to work in the past with you, or others you know. i...

Tips to get addmission in good university? hey everybody i am currently doing my first year of undergrad in a community college and planning to transfer any of UCs(university of California) on math and physics double major. what are the best steps i can follow in order to get admission in uc...

Hello, I'm taking cal I and II this summer as a special five week course each. I need a good way to understand the concepts of calculus. It seemed like in college algebra the examples that were done in class were fine, i could do those with no problem, but once I got home and looked at the...

I'm a senior in college that just switched from a Bio major to a Math major. In the fall, I'll be taking: Discrete Math Number Theory Electrodynamics & Kinetic Theory Piano Speech I have a summer to prepare for the two math classes and one physics class. Do you have any tips on things...

Study Tips! Help! So I have two weeks left 'till I take an advanced certification test for my job! I need to cram big time. It's been years since I've been in school (even there I didn't really study) so my study skills have declined over the years. What tips and tricks do you use? Thanks!:biggrin:

i have about 6 weeks to study, so, what should do? what prep books would you guys reccomend? how much time should i spend prepping everyday?

Homework Statement A glass has a height of 10 cm, and a diameter of 2 cm, it weight 300g and a coefficient of friction equal to .30 exists. Will it slip or tip? Homework Equations ? The Attempt at a Solution Im almost certain there are no calculations informed since i have been...

I need tips on improving my resume. I know this forum is not for this type of question but I really want opinions/tips from people who are in the same field. I let a "generic" resume counselor @ my school read my resume but I can tell that she didn't understand a thing on my resume. She's not...

I was wondering if someone can check my solutions and perhaps give me a faster more logical way of working through this question. Thanks. Homework Statement If z = 1 + i*root3 i) Find the modulus and argument of z ii) Express z^5 in Cartesian form a + ib where a and b are real iii)...

IBM interview thursday! tips? Also do you know what a "soft copy" means of a resume? Hello everyone! exciting news, I got an interview for IBM's Software Group on Thursday. He told me to do 2 things before the interview, sign up at IBM and e-mail him a "softcopy" of my resume. Does anyone...

Physics "B" Kinematics, Dynamics, Rotational Motion, E/W,Torque Test-- Where to find? I'm looking for a Physics "B" Kinematics, Dynamics, Rotational Motion, E/W,Torque Quiz or Test that includes solutions and/or answers. Where is the Quiz section on PF?? I took a quiz a while ago and I can't...

Homework Statement It's been a couple years since diff. eq. Any tips/strategies on solving the first-order ODE: K\frac{dp(t)}{dt} + \frac{p(t)}{R} = Q_0 \sin{(2\pi t)} where K, R and Q_0 are constants?

I know I posted a thread about relationship between the knowledge of physics and the person's Physics gpa . I have a different question: What advice would you give to physics students on how to go from C and B to A and B students. I average in at least 1-2 hours a night when working out...

A place to share your slightly unconventional tips on life. Deter would-be neighbours you don't like the look of from buying the house next door by recording the sounds of planes landing at your local airport and playing them full-blast out your window while they view the house.

Biology Help! Ok, my biology teacher's test is next wednesday for me. This test is on Photosynthesis ordering, but I didn't get it all down (and she isn't going to tell me -_- she said before)... The list of words that I need to reorder is as follows: - 5C - 6C - ATP - electron -...

Hello everyone--first post--thank you for having me this seems like an awesome place :biggrin: I'm not totally sure where to post this since it's a general problem solving question but basically I want to be able to solve physics and math problems in a shorter period of time. Aside from the...

Can anyone give me hints on the following question.I do not know how to proceed. Find all integers a,b,c,d satisfying the following relations i) 1 \leq a \leq b \leq c \leq d ii) ab+cd = a+b+c+d+3 thanks

i'm a pretty thin guy. 6'1 and 155 pounds. i went to the gym a fair bit during the summer, got stronger, I'm as strong as guys who look much more muscular. what can I do to gain a bit more muscle mass? people at my work told me that i have to put on a lot a fat and then turn that into muscle...

the question is A 35kg crate rests on the back end of a flat bed truck. the coefficient of static friction between the crate and the bed is 0.175 what is the maximum force of static friction that the truck's bed can exert on the crate? b) what is the maximum acceleration the static...

I just got a TA position and I have to teach for one hour a week in a seminar room. So, any tips? I'm sure I'm fine at presenting. I've taken Drama Class and so I shouldn't be that nervous. I'm going to go through the problems myself and solve them myself before going so that way I...

Hey, anyone else here a nocturnal creature? :bugeye: I'm definitely nocturnal, and annoyingly at that. However, since it messes with my school work, I need to sleep more at night. (I'm running on 5 hours of sleep! Woo.) So, this is the thread of FOLK CURES TO INSOMNIA! Post any you...

When you study, do you take notes on a laptop/computer or by pen and pencil. Also, what do you think about recording lectures? When reading a textbook, do you highlight certain points (do you read it like a novel or do you scan it over?)? Any other study tips/tricks that you might have are...

I have just replaced an inverter driven 3ph motor and wired it the same as the old one, it runs (cogs) backwards and is noisy. The motor is 230 v 3ph, it has 6 wires, yellow, black, white, violet, blue and brown. testing with ohm meter i have 45 ohms between yellow- black, white-violet and...

Anyone got suggestions for an AP Calculus textbook? Hello, as the title says anyone have suggestions for a good, easy to understand textbook for AP Calculus? Thanks PS: This thingy below is what troubling me... our school has an sucky textbook for this course, so confusing...

Hello friends... Hello everyone, Iam new to this forum.I got the link to this forum with the help of google as I was desperate for help in chemistry :mad: Iam taking GRE chemistry this november and need help and support with respect to the subject from u guys.Can u recommend some good books for...

[FONT="Comic Sans MS"][SIZE="4"]:shy: Plz. help me in plotting graphs like xsin(x),xsin(1/x) etc.Also give me tips and shortcuts to plots graphs like tan x -x or tell me any good piece of software to solve this problem

I grew up with a fireplace so it's second nature to me, but I once had a girlfriend who told me that, while house sitting, she tried and tried to no avail to get a fire going in the fireplace, and ended up not able to do it, losing the hoped for opportunity of curling up by the fire with a good...

What is the pH of 340 mg of Ca(H2PO4)2 in 600 mL H20? Well, find M of Ca(H2PO4)2 by converting mg -> g -> mol and M = mol Ca(H2PO4)2/.6 L Is Ca(H2PO4)2 a buffer? I don't know what to do. Do you do an equation of Ca(H2PO4)2 --> Ca (2+) + H2PO4 (-). What steps must I follow? Thank you...

Oh my god. My 4 years of mechanical engineering starts in one week. Its going to be hard.:eek: Any tips on how to not make it bloody impossible?

Ok, i think this is the last DE problem i do before i strategically place myself between a wall and a speeding train. The question is: A tank initially contains 60 gal. of pure water. Brine containing 1 lb of salt per gallon enters the tank at a rate of 2 gal./min. The well-mixed solution...

trying to build an rc car but stuck on how to make sure its wheels are aligned properly so that it can travel in a straight line. Any tips will be welcomed. thanks.