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  1. Rahul

    Ideas: maglev trains

    no! the meissner effect involves a superonducting material and a magnet. you will have a magetic[permanent, although i wonder what it would be like with an AC electromagnet:p maybe its an idea for wonderland:D] ok so back to this...you will have a magnet and a superconductor. the magnet will be...
  2. Rahul

    Space: orbital velocity dot point

    http://www.boredofstudies.org/community/showthread.php?s=&threadid=11513 :)
  3. Rahul

    Space: calculating centripetal force

    thats centripetal force, ie the force directed towards the centre of the uniform circular motion. questions regarding this will be when they give you the mass, velocity, force and tell you to work out radius, obviously a little more complicated. umm....you might know to calculate...
  4. Rahul

    InductionMotor

    oh i dont know, i was just reply to :D like nd said, you need to talk about the induced emf:)
  5. Rahul

    SPACE: mass dilation

    dangar, i get what you mean. but i am sure some of it would have to be converted to E<sub>k</sub>, because with "none becomes 'kinetic' energy and no matter how much energy you put in it will all get converted to mass" how will it accelerate?
  6. Rahul

    Significant figures or decimal places?

    use scientific notion where possible, usually 2 decimal places is enough. i mean they wont take marks off if you wrote 19.23 instead of 19.228 :rolleyes:
  7. Rahul

    Converting measurements

    hahahhahah @ this confusion :D fistly you will never convert the SI units to anything...eg: you wont have to convert m to nm, only nm to m. so just use ananlogies by changing the smaller value to cm and the larger value to m. and think about them in that way, thats what i will be doing:D...
  8. Rahul

    InductionMotor

    no its is its complement:) a conductor with a current flowing in it will move if a changing mag field is introduced. conversely, when a changing magnetic field is introduced to a conductor, a current will be induced. both use right hand paml rule
  9. Rahul

    Has the custom status thingy changed

    ahahh this is exactly who i was talking about!!!! LMAO!
  10. Rahul

    I want inequality questons

    umm, dont kno if this will help, but: to prove A>B, you have 2 methods. 1. A - B = 0; or 2. A/B = 0
  11. Rahul

    another prediction please :S

    ragerunner its a she ;)
  12. Rahul

    Easiest 4U Topic

    probably curve sketching...but they take forever!!!
  13. Rahul

    Without the pretty pink ribbon... you'd end up just like me...

    hahaha "the pink-ribbon effect" *thinks of the "lynx effect" ad.* :p
  14. Rahul

    Good Text Books

    hahahahha! why? [as you can tell i have not attempted this, nor does it seem likely that i will:p, i just want in on the joke:D]
  15. Rahul

    Has the custom status thingy changed

    2. Having at least 800+ posts AND you have registered BEFORE December 2002. [/B] i'm sure i saw people with cs who had less than 800 posts (pre-dec)
  16. Rahul

    who wants to test me??

    you may want to use the mic function if you want ;) unless you are shy;):p
  17. Rahul

    help needed with Area of Study!

    you may want to try the english- area of study section :) http://www.boredofstudies.org/community/forumdisplay.php?s=&forumid=44
  18. Rahul

    random tips/hints

    are there any specific parts of it that can be tested in 4u or that we should know? this isnt 4u hsc related, is it? :(
  19. Rahul

    relativity question

    relativity of simultaenity! they are both correct. simply becasue they are in different frames of reference. relative to the person on earth, the person in the ship will be moving at relativistic speeds. similarly, the person on the ship will see that the person on earth is moving at...
  20. Rahul

    What are YOU going to do?

    astrophysics first. core questions. then multiple choice last.
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