Olympiad Definition and 158 Threads

  1. R

    Why Am I Off by One in My Mathematics Olympiad Answer?

    in the ques that i have attached as image with this thread.. I did it as an can be solved to \sqrt{}n by rationalising it. So as squre root of every natural no. 'n' is smaller than squre root of 'n+1' then in this ques. possible values comes out to be zero. Am i Right?
  2. R

    How to Prepare for the Astronomy Olympiad in Just 9 Days?

    I have applied for this year's Astronomy Olympiad to be held on 28th November, 2010. I am 17 and study in my 12th grade. Now, I have just bought a Physics Olympiad book. Now, the problem is that I only have 9 days to prepare myself for the exam. Can anyone suggest on how should I go on to...
  3. E

    What's a recommended online book for studying analysis for the Physics Olympiad?

    Hi, I am looking for a good online book in order to study analysis.. I haven't studied it at school, but I think that it will be useful during Physics Olympiad.. So what do you suggest me doing?
  4. A

    Which Books Are Best for Physics Olympiad Preparation?

    Hello! I am a high school student and I am preparing for physics olympiad and I need some help regarding resources. Talking about what I have done , I have read Physics by Resnick and halliday 5th edi both volumes.I have also read Thomas's Calculus(most part). and I am currently doing 'An...
  5. T

    Factoring a Polynomial Equation: Olympiad Question

    Homework Statement Factor the equation (without complex numbers) a^{10} + a^{5} + 1 This is a olympiad question The Attempt at a Solution I substituted a^{5} = x getting a quadratic eqation. But when I factored the quadratic equation I get complex roots and this is against the question...
  6. M

    Can Lack of Olympiad Success Hinder a Mathematics Career?

    frustrated of maths olympiad! i am from malaysia, where there is lack of training for maths olympiad and the only one out there is far too expensive (arounds hundreds of ringgit) . To compensate this fact, i bought a locally written book about the basics of maths olympiad and it did not do any...
  7. V

    What Are the Answers to the Physics Olympiad Past Papers?

    So my teacher entered me for the Physics Challenge for GCSE students(test from the makers of the Physics Olympiad, for gifted students), which is intended for students of 16 years of age; year 11. I'm 15, and I'm in year 10, so i don't know why my teacher entered me.. Anyway, I have to...
  8. J

    Conservation of energy - olympiad problem

    When a rubber balloon of spherical shape with un-stretched radius 0 r is inflated to a sphere of radius r ( ≥ r0 ), the balloon surface contains extra elastic energy due to the stretching. In a simplistic theory, the elastic energy at constant temperature T can be expressed by U= 4\Pi...
  9. G

    Internat. Math Olympiad exercise. Weird function.

    Homework Statement A friend of mine tried to classify for the IMO a few days ago (he didn't do so well). A problem he had to solve was: f(x + xy + f(y)) = (f(x) + 1/2)(f(x) + 1/2) I didn't really understand what he said later. First he told me to find the values of X and Y for which...
  10. M

    Is There Mathematical Proof That Stars Are Still Being Formed?

    Hello, I have a question from the Dutch Astrophysics Olympiad, which I can't solve. " Is there mathematical proof that stars are still being formed? " In previous questions, i had to derive the following equations, which i need to use in my answer for the question above: L = σ * T4 * 4πR2...
  11. S

    A question from the Russian/Soviet Math Olympiad

    Hey guys. I got a book that has selected problems/questions the from Russian/Soviet Math Olympics. Anyhow, I'm having trouble with a particular question that involves a quartic equation that, up to my knowledge, can't be factored. I was wondering if there are any tips or methods to solve for...
  12. B

    Motor circuit for science olympiad project

    I am just learning about this and don't know if I am doing it right. I need to turn my car on with a push button switch and have it turn off when it hits another switch on the axle and turn on a light when the motor turns off. I made the circuit shown in my drawing but I have to hold down the...
  13. 1

    Top Physics Olympiad Books for 11th Graders: Recommendations and Tips

    I'm an 11th grader finishing Mechanics and Emag and I would like to ask you for your advice on textbooks and material I will need to cover to prepare for next years Olympiad. The book I used for Mech/Emag is by Tipler/Mosca. I have heard Halliday/Resnick is good but I don't know for which topics...
  14. R

    U.S. Physics Olympiad F=ma 2008: Problem 12

    12. A uniform disk rotates at a fixed angular velocity on an axis through its center normal to the plane of the disk, and has kinetic energy E. If the same disk rotates at the same angular velocity about an axis on the edge of the disk (still normal to the plane of the disk), what is its kinetic...
  15. A

    F = MA Contest and physics olympiad prep

    Hello, I was just wondering as to how I can prepare myself for the F=ma contest and other preliminary competitions that are part of the physics olympiad. Besides doing past F=ma tests, is there any other way to prepare? (this question is specifically targeted to those who have...
  16. J

    What Determines the Arc Radius of an Ion in a Magnetic Field?

    http://www.princeton.edu/~jdpeters/docs ... piad99.pdf I can't understand why the answer is E. The velocity with which the ion enters the magnetic field is determined by 1/2 m v^2 = q V ans so v is proportional to sqrt(q/m). The radius of the arc in a magnetic field of strength B...
  17. thrill3rnit3

    Beginning high school olympiad mathematics books

    any suggestions?
  18. S

    Understanding some of the math Olympiad questions?

    I was looking at some of the questions from various competitions for high schools and colleges and their questions, and I couldn't begin to solve the majority of them. I was looking at http://books.google.com/books?id=B3EYPeKViAwC&printsec=frontcover&dq=Problem+Solving and I couldn't follow...
  19. P

    Boost Your Math Olympiad Prep with Elementary Number Theory by Gareth Jones"

    I'm not a natural at math, but I study a lot of it. So I needed something to prepare me for the math olympiads and competitions. Needed comments on this book for preparation: Elementary Number Theory by Gareth Jones...
  20. R

    Your thoughts on the math Olympiad

    I have heard many say that being able to solve Olympiad problems is by no means a prerequisite to becoming a good mathematician, physicist, etc. However, would one benefit from practicing math competition problems if he is older, i.e. undergrad level and on. Would there be any benefit to the...
  21. M

    Math Olympiad Resources: Free, Online Guides for High School

    Are there any free, online Math Olympiad resources for studying? These are the high school level math competitions. I'm not looking for past competitions, as much as studying/practice/explanation guides which review material, etc. I welcome any suggestions
  22. A

    Book Choice for the Physics Olympiad

    What are the best books to use for preparing for the Physics Olympiad? I have University Physics and Fundamentals of Physics? Which one is better? Thank you!
  23. thrill3rnit3

    Preparing for the US Physics Olympiad

    any tips? What topics are usually covered in the qualifying exams? How is the level of difficulty? Is it harder or easier than Irodov's problems? Finally, what level of math is assumed? thanks.
  24. V

    Advice on international physics olympiad

    Hi guys. I only recently heard about this competition calle the International Physics Olympiad and am really interested to enter. I am currently in Yr 10 and love physics. But i do not believe that i know enough of physics considering the standards of the education here. Please give me some...
  25. A

    How Can I Prepare for the International Physics Olympiad?

    Is there a specific book or website that i can use to help me get to the IPho. I haven't learned much physics.
  26. A

    How Can I Prepare for the International Physics Olympiad as a Freshman?

    i have heard of this contest. how can i prepare to go in? i am willing to work hard. i am going to be a freshman in high school next year.
  27. K

    2008 F=ma Olympiad Problems # 10 + 11

    These two problems are based one some data from an experiment. Of course, experiment often don't carry out perfectly matching theory... And I'm having some difficulty understanding the answer. Problem: The following information applies to the next two problems An experiment consists of...
  28. C

    Physics Olympiad US: Register by Dec 19th - Deadline?

    hey guys, Ijust sent my regostration for Physics olympiad (US). Do you know if they count on postmark or the day the mail arrives to consider which one is late? Cause the deadline of payment is Dec 19.
  29. E

    US Physics Olympiad qualifying exam (Mechanics)?

    So I read Irodov was the best prep for the Physics Olympiad, but what if I'm in Physics B and just completed a semester's worth of mechanics? I'm currently in Pre-Calculus if that matters. Another thread I read says most problems can be solved using differential eqs. but neither my current...
  30. S

    Preparing for US Physics Olympiad | Tips & Strategies

    Anyone have suggestions for doing well in this competition in the US?
  31. alexmahone

    Physics olympiad - electrostatics

    (Any number of options may be correct.) Three concentric spherical shells have radii r, 2r and 3r with charges q1, q2 and q3 respectively. Innermost and outermost shells are earthed. Then, (a) q1+q3=-q2 (b) q1=-q2/4 (c) q3/q1=3 (d) q3/q2=-1/3 The answer key tells me that (a), (b)...
  32. P

    Prepare for Physics Olympiads with Advanced Texts - Expert Advice

    Hey everyone, I would like to know if there are any physics texts out there which prepare people for olympiads? I googled but i didn't find much. I won't say excellent, but I'm a good physics student with an A average in class and I'm studying way ahead of my class. I am learning calculus and...
  33. M

    A projectile problem (Olympiad)

    A rock is launched vertically. During the last second of the flight, the rock covers one-half of the entire distance covered during the flight. What is the maximum possible duration of the flight? (Hint: answer is not 2 seconds.) I've tried to use integration to solve an equation of motion...
  34. Ö

    Solving for Integer Pairs: 1 + 2^x + 2^(2x+1) = y^2

    Determine all pairs (x, y) of integers such that 1 + 2^x + 2^(2x+1) = y^2. ^=Exponent
  35. E

    Roots of x^3 + ax^2 + bx + c = 0

    If \alpha,\beta\ and\ \gamma are the roots of the eqn. (x-a)(x-b)(x-c)+1=0 then show that (\alpha-x)(\beta-x)(\gamma-x)+1=0
  36. M

    Prove: Angle DAB Bisector when Given Parallelogram ABCD, Cyc. Quadrilateral BCED

    Consider five points A, B, C, D and E such that ABCD is a parallelogram and BCED is a cyclic quadrilateral. Let l be a line passing through A. Suppose that l intersects the interior of the segment DC at F and intersects line BC at G. Suppose also that EF = EG = EC. Prove that l is the...
  37. D

    Physics Olympiad: Links, Notes, Problems

    Does anyone knows links for physics olympiads ,lecture notes,problems ech?
  38. H

    Astronomy Olympiad Estimation Question

    Homework Statement Q. Given that the population of Mumbai is about 13,000,000. Estimate the amount of tea that would be consumed by the city in a day? 2. The attempt at a solution Now at first place I could not understand why such kind of a question is given in Astronomy Olympiad...
  39. R

    The Importance of Intellectual Pursuit in Mathematics

    a necessary and sufficient condition for becoming a good mathematician? The truth of the matter is that I myself am not good at these things. Fields medalist have previously been olympiad gold medalists eg Tim Gowers et al but there are counterexamples e.g Okunkov. So what is the truth...
  40. L

    Relativity text for Physics Olympiad

    Hi, I'm a 12th grade student from India, preparing for the Physics Olympiad. I've only a basic idea of Special Relativity, while the syllabus includes topics such as the relativistic Doppler effect, so I want to study up a bit. What text do you recommend? Please not one of those old texts...
  41. I

    VCE Physics Olympiad: Become a Physics Genius in a Year

    Hi, everyone Next year I'm thinking of doing a Physics Olympiad course, and I'm just wondering if anyone knows a good way of becoming a physics genius in about the space of a year. I have all the Feynman Lectures but are there any other really good physics books that might be useful (perhaps...
  42. F

    Preparing for the Intl' Maths Olympiad: Questions & Answers

    Hi I wanted to know certain things about the Intl' Maths Olympiad. First, is the syllabus limited to Number theory,Geometry,Combinatorics and Algebra(inequalities and quadratics mostly) ? I mean is there no Calculus,Co-odinate Geometry,Vector and Complex algebra ,(considering trigo to be a...
  43. 9

    In need of some advice regarding Science Olympiad boomilever

    Our school is going to the state Science Olympiad competition next week, and I am responsible for construction of our boomilever. Basically, it is a crane-like device; one end is bolted to a wall and the other end carries a bucket filled with up to 15kg of sand. I have been building and...
  44. S

    How to Determine the Period and Separation of an Eclipsing Binary Star System?

    This problem deals with two main sequence stars in an eclipsing binary star system. I need to determine the system's peiod and separation (P and a). Right now i know that the brightest star has an absolute magnitude of -1 (219 solar luminosity), is 17,000 degrees kelvin, has a radius of 1.74...
  45. R

    Astronomy Olympiad: Questions & Discussion

    Recently I gave my Astronomy Olympiad. There were some questions of descriptive type. If you all don't mind I would like to discuss them here. :rolleyes:
  46. S

    Preparing for Physics Olympiad: 17 Year Old from India

    hi everyone i'm a 17 year old 4m india, who is taking part in the national phy oymp, leading to the intl. phy olympiad. how do i prepare 4 this ? pl reply soon as i have only a couple of weeks 2 prepare.
  47. R

    Questions I have doubts about which came in my olympiad.

    1. Polishing of the surfaces in contact beyond a limit increases friction because: i)irregularities are increased ii)surface projections are sharpened iii)area of actual contact is increased iv)none of these My ans. (ii) 2. A chain is placed on a frictionless table such that 1/5 part is...
  48. R

    How Does Physics Explain Natural Phenomena and Technological Innovations?

    1. For a gas if p and v denote the co-efficient of volume expansion at a constant pressure and coefficient of pressure at a constant volume respectively, then 1)p>v 2)p<v 3)p=v 4)p=0 and v=0 2. The horizontal component(H), vertical component (V) and total intensity (I) of the...
  49. daniel_i_l

    Find Physics Olympiad Questions & Answers | Compadre.org

    I found past questions here: http://www.compadre.org/psrc/evals/olympiad.cfm" Were can I find the answers? Also, were can I find similar kinds of questions? Thanks.
  50. C

    Testing Physics Olympiad US physics team qualifying exam

    Is there a place i could find the qualifying exam questions from the past years for practice?
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