Rules Definition and 539 Threads

International rules football (Irish: Peil na rialacha idirnáisiunta; also known as international rules in Australia and compromise rules or Aussie rules in Ireland) is a team sport consisting of a hybrid of football codes, which was developed to facilitate international representative matches between Australian rules football players and Gaelic football players.
The first tour, known as the Australian Football World Tour, took place in 1967, with matches played in Ireland, the United Kingdom, and the United States. The following year, games were played between Australia and a touring County Meath Gaelic football team, Meath being the reigning All-Ireland senior football champions. Following intermittent international tests between Australia and Ireland, the International Rules Series between the senior Australian international rules football team and Ireland international rules football team has been played intermittently since 1984, and has generally been a closely matched contest. The sport has raised interest and exposure in developing markets for Gaelic and Australian football and has been considered a development tool by governing bodies of both codes, particularly by the AFL Commission.
International rules football does not have any dedicated clubs or leagues. It is currently played by men's, women's, and junior teams only in tournaments or Test matches.

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  1. O

    Understanding Right Hand Rules - Namely w/ parallel wires

    Homework Statement There seem to be three right hand rules for dealing with magnetic field, current, and force, and I don't quite understand how to use them. Namely, I'm having trouble understanding why two parallel wires with current flowing in each of them attract if the currents are in...
  2. S

    Solving a circuit using Kirchhoff's Rules

    Homework Statement using kirchhoff's rules, determine the current through and voltage drop across each resistor in the accompanying figure. Homework Equations V=IR, potential voltage ( voltage drop )= current * resistance Voltage in series Vt=V1 + V2 + V3... Current in series...
  3. P

    Solving Circuits with Kirchhoff's Rules

    Homework Statement Apply kirchhoffs rules to find the currents in the circuit shown http://img297.imageshack.us/img297/5048/kirchvm8.jpg Homework Equations here's what the book says i3(25 ohms) = 12 V i2(15 ohms) = 6.0V + 12 V i1 = i2 + i3 The Attempt at a Solution i...
  4. Ivan Seeking

    The Guys' Rules: A (Hilarious) Guide to Men

    At last a guy has taken the time to write this all down Finally, the guys' side of the story. (I must admit, it's pretty good.) We always hear " the rules" From the female side. Now here are the rules from the male side. These are our rules! Men are NOT mind readers. Learn to...
  5. A

    Applying the rules of significant figures to calculations

    I have a question about applying the rules of significant figures to calculations. Should one apply the rules to everyday calculations? I don't know if it will benefit me in the long run to count the number of sig/decimal places in numbers in the simplest calculations. If I major in...
  6. A

    How can Kirchoff's rules be used to determine current values in a circuit?

    Homework Statement Use Kirchoff's rules to determine I1, I2 and I3 for the following circuit: https://chip.physics.purdue.edu/protected/Prelab221img/e4pp2.jpg E1 = emf = 9 V r = internal resistance = 1.5 ohms R1 = 5 ohms R2 = 15 ohms R3 = 22.75 ohms Find I1, I2, I3 Homework...
  7. D

    Evaluating Limits: How Do I Substitute Infinity Into the Equation?

    Hi. We havnt started limits in class yet, but I've come across one, which i need to evaluate. \mathop {\lim }\limits_{n \to \infty } 2\pi r + 2nR\sin \frac{\pi }{n} For a limit like that, can i just substitute infinity into the equation? Or is there some rule against that? If so...
  8. S

    Kirchhoff's Rules and Systems of Equations

    Homework Statement To find the current traveling through a circuit with parallel and series connections. The circuit looks something like this. *Right now my webserver is giving me fits and won't let me login. I will try and get a picture to those who cannot understand what I am about to...
  9. V

    DISCRETE MATH: Use rules of inference to show that

    Homework Statement Use rules of inference to show that if \forall\,x\,(P(x)\,\vee\,Q(x)) and \forall\,x\,((\neg\,P(x)\,\wedge\,Q(x))\,\longrightarrow\,R(x)) are true, then \forall\,x\,(\neg\,R(x)\,\longrightarrow\,P(x)) is true. Homework Equations Universal instantiation, Disjunctive...
  10. G

    Where are the Rules of the Universe Stored?

    A particle traveling through space will (at least according to Newton's first law) continue at the same velocity etc. etc. My question is this: how does this particle "know" that this is how it must behave and that it is behaving correctly? Either the rules of the universe are contained...
  11. M

    Understanding Magnetic Field Hand Rules

    Hey everyone. Just a quick high school physics question about determining magnetic fields using Hand rules. The only thing I have trouble trying to understand is how to determine the way a compass arrow will point if you place it on top, or under an electric circuit. I know that they are...
  12. J

    Wigner-Eckart theorem and selection rules

    If you have an operator which in spherical tensor language T^k_q are V=T^2_2 + T^2_{-2} + T^2_0 you get a selection rule for j' abs(j-k)=< j' <= j+k in my case i start with angular momentum j=1 and k=2 from above so the possible new states are 1=< j' <= 3...
  13. A

    Deriving Feynman rules from Lagrangian

    I've been given a small project to ease me into life as a PhD student and part of it involves working out Feynman rules for scalar bosons coupling to gauge bosons. I've been reading through Peskin and Schroder Chapter 9 and want to clarify if I've got my understanding right of how to do it...
  14. K

    Distance Covered by Puck A at Collision

    Two hockey pucks, labeled A and B, are initially at rest on a smooth ice surface and are separated by a distance of 18.0 . Simultaneously, each puck is given a quick push and they begin to slide directly toward each other. Puck A moves with a speed of = 2.70 , and puck B moves with a speed of...
  15. L

    Proving Exponential Rules for [A,B]=c

    Can someone give me a hint on how to prove that exp[A+B]=exp[A]exp[B]exp[-c/2] where A and B are two operators such that [A,B]=c, where c is a complex number. This is not homework or something, I'm just curious when reading the rules.
  16. P

    Rules for all calculations regarding integration

    Hey I’ve now come across integration in my maths course for my first time. I was wondering if somebody out there might be able to help me with a couple issues regrading this topic. Firstly I would appreciate if I could be told all the necessary rules for all calculations regarding integration...
  17. Astronuc

    Is it time to shift our focus to Aussie Rules now that the World Cup is over?

    Now that the World Cup is finished - we can turn our attention to more important matters. :biggrin: http://www.usfooty.com/usfooty/ - In US. http://nyfooty.com/ http://afl.com.au/ - In Aus http://en.wikipedia.org/wiki/Australian_rules_football Of course, the best is Victorian...
  18. Astronuc

    News Supreme Court Rules Bush's Military Tribunals Illegal

    http://news.yahoo.com/s/ap/20060629/ap_on_go_su_co/scotus_guantanamo_trials_4;_ylt=AnAA3ePu334f9K110LZV6yg3NiUi;_ylu=X3oDMTBiMW04NW9mBHNlYwMlJVRPUCUl http://news.yahoo.com/fc/world/guantanamo_detainees It's about time. Imagine that - this president doing something illegal! Who'd've...
  19. M

    The Mysteries of the Cosmos: Uncovering the Hidden Truths and Purpose"

    I have only one question at the moment which I am pondering over. Now I am aware the the Laws of Physics govern most happening in the Cosmos, but what made these laws? I mean how did the speed of light end up at 3*10^8, How did gravity come about, what started time and when/how and what did the...
  20. T

    Solving Kirchhoff's Rules: Electric Circuits and Algebra Practice

    This is a problem from my physics book. We are learning Kirchhoff's rules with electric circuits and I'm at a loss at what to do here. I apply them just fine to a three loop circuit, using some algebra: |-/\/\-|\//\ -| | | |--|\--/\/\/--| | |...
  21. brewnog

    Boxing Finally Embraces Unified Rules After Years of Neglect

    About bloody time! http://sport.guardian.co.uk/boxing/story/0,,1773594,00.html
  22. S

    Understand Kirchhoff's Rules: Solving Circuit Confusion

    I understand (or at least thought I did) :D Kirchhoff's rules. When I got to this circuit; however, I got a wee bit confused. The arrows indicate where I placed my three arbitrary currents. When writing equations for the two smaller loops (the ones on the left), I didn't know which current to...
  23. Clausius2

    Guys Rules for Girls: 12 Essential Rules to Follow

    Guys Rules for Girls! Were you thinking we have not any rule?. These are the ones as far as I am concerned: notation: (Otherwise she would be discarded) means I would never date a girl whose behavior is violating the rule. 1. If you're unhappy with something, say so. Don't expect your...
  24. 0TheSwerve0

    Guys: Learn the "Rules" Girls Wish You Knew!

    I'll let you in on the rules girls wish guys knew but wouldn't tell them because they should already know them! 1. Asking a girl on Friday for a date on Saturday is completely unacceptable. Keyword: Planning 2. Shave every day. One day's growth of facial hair is worse than a girl not...
  25. 0TheSwerve0

    What are the rules for dating my daughter?

    The thread about guys rules for women reminded me of this. They are fond of making rules... From: http://www.yoest.org/dating_my_daughters.html Rule One: If you pull into my driveway and honk you'd better be delivering a package, because you're sure not picking anything up. Rule Two...
  26. S

    Probability/Counting Rules Question

    Hello: I was having trouble answering these two probability questions, so assistance from anyone would be much appreciated. A project director runs a staff consisting of 6 scientists and 3 lab technicians. Three new projects have to be worked on and the director decides to assign 4 of her...
  27. W

    Solving Kirchoff's Rules for R1=10 Ohms, R2=15 Ohms, R3=5 Ohms

    Q) Given R1=10 Ohms, R2=15 Ohms, R3=5 Ohms, find the current going through each resistor in this pathway in the attached circuit diagram. My solution is as follows.. i'd appreciate it if you guys could verify if its correct or not: I2=I1+I3-------------------------Equation 1 Starting...
  28. P

    News Bush & Blair: Making & Breaking Rules for Agendas

    This is the title of a book describing how Bush and Blair have been making and breaking their own rules for their own agendas. Part of the book has to do with a January 2003 memo, reported in the New York Times today; you can read about the memo without a subscription, at the BBC report linked...
  29. MathematicalPhysicist

    How many rules are there in formal logic?

    i mean rules such as demorgan's, material conditional, conditional proof and so forth.
  30. M

    Rules governing the creation of complex waveforms through addition of sine waves

    I'm interested in synthesizing complex waveforms using sine waves. I know that when two sine waves which differ slightly in frequency from one another are summed, amplitude modulation (AKA "beating") with a frequency equal to the difference in frequency between the two sine waves ensues. This...
  31. R

    Negative exponents and calculation rules

    I just want to know if a negative exponent is as just the same as saying one over another number. For example: 5^1/3 = 5^-3 Another thought would base numbers only affect base numbers and exponents only affect exponents?
  32. C

    Kirchhoff's Rules: Finding I1, I2, and E with 2.60 A Ammeter

    The ammeter shown in Figure P28.18 reads 2.60 A. Find I1, I2, and E Really confused on how to do these problems...any help would be appreciated...
  33. P

    Ammonia Safety: 3 Rules for Factory Workers

    I know that in order to be helped we must present our thinking, but I cannot do that since my knowledge in this topic is small and I don't have time to make a search because I have to study for my math's test that is tomorrow. I hope you understand. Imagine that you are going to visit a...
  34. B

    My Physics Class Rules: 5 Reasons to Love It!

    My physics class rules. Reasons: 1: It's not a "school-required class", Which means that the speed of learning is adequate for not ripping my hair out in disgust. However, it IS a collegebound-required course, so I still have quite a few potential dropouts. Lucky for me, 5 kids've...
  35. E

    Rules regarding the vector cross product and dot product

    hi, I'm currently doing a mechanics module at Uni. The thing is, I'm not very sure about rules regarding the vector cross product and dot product. For example, it says in my notes for angular momentum: "Introducing polar coordinates \mathbf{r} = r(cos \Phi \mathbf{i} + sin \Phi...
  36. P

    Right Hand Rules in Physics: Is There a Way Around It?

    Hey, We recently started learning about magnetic fields and forces in physics and we took these weird right hand rules... After much attempt I cannot, for the life of me, figure them out. Is there any way I can find the direction of the field or a force without using my right hand? Like on...
  37. Y

    Electric dipole selection rules

    Hi, I am confused about the electric dipole selection rules. Delta l = +/- 1 Delta m_l = 0, +/- 1 but are there rules for Delta j and Delta m_s and Delta n? Is there a (semi-rigorous) way to conceptually understand selection rules? Thanks.
  38. Y

    Why Are Electric Dipole Selection Rules Confusing on the GRE?

    Hi, I have a question on selection rules for electric dipole transitions. It has to do with a GRE Physics exam question that's confusing a number of students at grephysics.net ... if any of the quantum guru's here would like to help, please check it out at...
  39. D

    Feynman Rules for Phi to the 6th theory

    What are the Feynman rules for phi to the sixth theory? Can anyone please help? Peskin and Schroeder does phi ^ 4th... I can't help thinking the derivation is the same for phi to the sixth, and that the rules are the same. Could that be correct? Thanks so much for your time, Job...
  40. edward

    The Guys' Rules: Everything Men Need to Know from a Female Perspective

    This was sent to me by my niece. Only blame me if you feel it is absoulutely necessary. :smile: The Guys' Rules: At last a guy has taken the time to write this all down. Finally, the guys' side of the story. (I must admit, it's pretty good.) We always hear"the rules"from...
  41. I

    What is the theorem about modulos and relatively prime numbers?

    Is it possible to manipulate and substitute modulos like so a^5 = a (mod 5) a^3 = a (mod 3) a^15 = a (mod 15) By substituting the first into the second?
  42. wolram

    Perfectly Bad: Breaking All the Rules

    Yep every one is, i have broken all the rules. Lust, i have done loads of lusting. strike 1 Glutton, well may be a bit, strike 1 Avarice, Hmmm, strike 1 Sloth, i suppose so ...
  43. bayan

    What are the limitations of using quadrance and spread in trigonometry?

    does anyone know what they include? here is a prefrence. thanks
  44. X

    Force following same rules as vectors

    hiya I understand vectors perfectly, but still something is bothering me when it comes to forces being represented as vectors We'd compute the x component of force F with F*cos(alpha), alpha being angle force has with x axis. Promblem I have with this is why does force follow the same...
  45. N

    Genetic Animal Experiments: Cost, Rules, Etc

    Hi I was wondering: How much does it cost to do (legal) genetic experiments involving animals? What's the minimum amount of time/the average of time experiments like that take? Would you have to do something like that at a university with animal facilities, or could you do it other...
  46. JasonRox

    Tracking My School Progress: Goals, Rules, and Courses

    This journal will be the journal that follows through my progress in school. I have some big goals this year, and I believe this would be a great way to stay on track. Anyways, I have another journal going too. Check it out if you like at...
  47. M

    Is Atheism Considered a Religion by Law?

    http://worldnetdaily.com/news/article.asp?ARTICLE_ID=45874 What are your thoughts about this? I didn't post this in the politics section becaues I think it has some philosophical significance.
  48. Monique

    How Much Garlic Causes Body Odor and Can Showering Eliminate It?

    How much of it can you eat before you get surrounded by a halo of garlic odour, how much time does it take before the odour starts going through your skin, will a shower clean you enough or is it something that just needs to get out of your system? No, no one complained yet o:), but at times...
  49. A

    Mathematica Fundamental rules for physics mathematical derivations.?

    Hello. I am in confusion because I cannot understand which formula will be used in this and that derivation,because there are many formulas of physics.Then how we come to know that this specific formula must be used in this derivation It is a great confusion for me. Please solve my problem...
  50. matthyaouw

    Are Modern Dating Expectations Setting Us Up for Trouble?

    Ok, I've been noticing recently that there seems to be a lot of superficiality in relationships and dating. A while ago, a friend was telling me how with some women, you can be on dodgy ground by saying "you look good in that" because apparently that implies that they don't look good normally...
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