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/sci/ Science & Math

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Most viewed threads in this category

12 more posts in this thread. [Missing image file: ttw.jpg]
the best episode of through the wormhole in your opinion ?
6 more posts in this thread. [Missing image file: coppin a feel.gif]
What unit is malleability measured in?
5 more posts in this thread. [Missing image file: fin_1_wf.gif]
I'm having problems with this. Image is related. I've worked out the following: Boundaries: + and - 400 picometers Wavelength: 1950 picometers. With this information, how can I answer the following questions? 1) What is the approximate kinetic energy of the electron inside the well? Kinetic energy = _____eV. 2) Now consider an infinite square well potential of the same width L. When the electron is in the ground state of this infinite well, is its kinetic energy higher or lower than its kinetic energy in the ground state of the finite well? Is it higher or lower? 3) If the electron were in the ground state of an infinite square well of the same width L, what would be its kinetic energy? Its kinetic energy = _____eV. I would really appreciate if anyone can help or provide insight into this.
5 more posts in this thread. [Missing image file: 1335469973446.jpg]
Horrible programming student here. I have to make an 8x8 checkerboard using python & this graphics module a professor made. As of right now this is what I have from cs1graphics import * paper = Canvas(400,400) blackSquare = Square(50, Point(75,25)) blackSquare.setFillColor('black') paper.add(blackSquare) I know I need to use the modulus operator (%) within a loop to make it so that it inserts a black square in every even square, but I can't think of how to do this shit to save my life right now. After I put down the squares in a loop I have to actually put checkers on the image, but I think after I actually understand how to loop in the black squares I'll understand how to do that. Help?
10 more posts in this thread. [Missing image file: 1295209194523.jpg]
What does it mean when someone says the acceleration is .5g? inb4 retard. Just answer the question please and I'll be on my way
0 more posts in this thread. [Missing image file: BOOK.jpg]
Anyone have a solution manual for Advanced Mechanics of Materials and Applied Elasticity, 5th Edition Ansel C. Ugural Saul K. Fenster? Desperate for HW in the class.
223 more posts in this thread. [Missing image file: 220px-Einstein_1921_portrait2.jpg]
Taking physics questions...if they aren't too fucking retarded
15 more posts in this thread. [Missing image file: physics.png]
How many revolutions does the object make during the first 4s? [please explain how you got your answer]
4 more posts in this thread. [Missing image file: Screen shot 2012-08-24 at 9.02.19 PM.png]
Am I doing this sample exam question right? The concentration of arsenic in an insecticide can be determine gravimetrically by precipitating MgNH4AsO4 (FW= 181.263) and isolating Mg2As2O7 (FW= 310.449). In one experiment, 1.951g sample of insecticide yielded 101.5mg of Mg2As2O7. Calculate the %w/w As2O3 (FW=197.842) in the insecticide. 197.842/310.449 = 63.728 % (.63728)*(.1015g)= 0.064684g As2O3 in yield. 100*(0.064684g/1.951g insecticide) = 3.32% As2O3 by weight. Is my method off; I am uncertain because I never used the FW of MgNH4AsO4
10 more posts in this thread. [Missing image file: chem e.jpg]
Is chemical engineering a very stressful job? I'm pursuing it, but I have generalized anxiety disorder and can not handle high stress levels at all. Should I switch to comp sci? I've been considering that due to low stress levels, but chem E has better wages, better hiring outlook, and is more interesting to me. Difficulty understanding the material is a non-issue for me, the problem is with large workloads and deadlines.
4 more posts in this thread. [Missing image file: 1348685750794.jpg]
/sci/ What cures crystal/coke dick? Meth and coke constrict the blood vessles. So it makes getting your dick hard, well hard. What can I take to make it so I can get a raging boner and fuck for 2 hours straight?
6 more posts in this thread. [Missing image file: python_logo.jpg]
Hi /sci/, I'm a beginner in Python. I need to make a program that counts the number of alliterations in a sequence of words. For example, ["frog", "friend", "cat", "apple", "asthma"] would count 2. How do I do this? What functions should I be looking at?
14 more posts in this thread. [Missing image file: 1.gif]
das riddle time I have three sets of legs but one set of eyes A heart but no heartbeat I climb mountains but I'm immobile Yet I'm constantly moving
36 more posts in this thread. [Missing image file: Screenshot - 100112 - 15:54:37.png]
Could science explain my raging foot fetish?
3 more posts in this thread. [Missing image file: 1289669069177.jpg]
How accurate is www.iqout.com????? I've gotten 110-115, but I'm unsure if I should be referencing this IRL.
13 more posts in this thread. [Missing image file: Illuminate.jpg]
Hey /sci/ just a quick question. People who cure diseases and create new medicine, how exactly do they go about doing this? I mean we learn throughout school that people do all of these great things, but they never tell us exactly how. I know you can go to grad school and do research, but that only lasts so long right? How do you continue researching past that time and how exactly do they work on curing things such as cancer?
10 more posts in this thread. [Missing image file: 1313021146882.png]
How away are we from the Graphene + Thorium era?
3 more posts in this thread. [Missing image file: fu.jpg]
2sinx - cscx = 1 answers: pi/2, 7pi/2, 11pi/2 when i worked it out i only got pi/2 how do u work this and get the other 2 answers? have a test on this tmrw
14 more posts in this thread. [Missing image file: hshs.png]
Damn't man. I have a physics test tomorrow and I got behind studying other stuff. I can't figure this simple problem out and can't find an explanation anywhere that makes any sense. Can one of you hep? If Vector B is added to Vector C = 3.0i + 4.0j, the result is a vector in the positive direction of the y axis, with a magnitude equal to that of Vector C. What is the magnitude of Vector B? I know how to get the magnitude with the C vectors I just can't figure the whole picture out. If anyone could just explain what the problem is saying I might be able to get it.
10 more posts in this thread. [Missing image file: 488310_405259599539218_552861786_n.jpg]
Give me a good documentary about space that's not full of bullshit. How the Universe works, The Universe, and especially Through the Wormhole are just full of it. I need something serious, without the layman terms and non stop action music. Also, without the stupid comparisons.. Like in the first episode of through the wormhole when they compare the universe to chocolate. That really gave me cancer.






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