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  1. A

    Transferring from DFEE to CSP?

    Does that mean, as of January 1 2009, there will be no DFEE places for sure? This means there will be more CSP places but what would this do to the CSP cut-offs?
  2. A

    definite integral

    find the integral from 1 to 3 of (x + 1/x)^2 dx help please
  3. A

    How hard is it to maintain a D average in first year law?

    Relative to other courses
  4. A

    HALF YEARLIES :O when? are you ready? studiesss?

    Definitely not ready for maths half yearlies - still revising!
  5. A

    Validity vs reliability

    I will read them when I wake up, thank u! :)
  7. A

    Sketching proportional and inversely proportional graphs

    Thanks, but my teacher also mentioned a parabolic graph. What relationship is this shape used for?
  8. A

    Loudspeaker

    thanks Mark!
  9. A

    Sketching proportional and inversely proportional graphs

    i see so theres 3 types of graphs: straight line (proportional), hyperbola (inversely proportional) and parabola (?)
  10. A

    Sketching proportional and inversely proportional graphs

    What are the shapes of the two graphs? Are there other graphs that should be known in physics?
  11. A

    Validity vs reliability

    What is the difference between the two? How could they be improved?
  13. A

    Loudspeaker

    With reference to the structure of a loudspeaker, explain why the current applied must be AC and not DC. Thanks!!
  14. A

    q

    ahh... my first step was let x be a side of square and y = side of rectangle therefore 4x + 8y = 6 thanks guys
  15. A

    q

    A piece of wire 6m long is cut into 2 parts, one of which is used to form a square and the other to form a rectangle whose length is 3 times its width. Find the lengths of the two parts if the sum of the areas is a minimum. I got the lengths awfully close to the correct answers, so is anyone...
  16. A

    how do you know your computer can play region 1 dvds?

    I want to buy a region 1 dvd but dont know if my computer can play it...
  17. A

    Year 12 Jerseys

    Re: which name is better for my jersy? how do you make them shrink? mine's size small but it is still too big :(
  19. A

    Torque of DC Motor

    Thanks everyone and especially the diagram, made it a lot more easier to understand
  20. A

    Torque of DC Motor

    I don't get how the torque on a dc motor is maximum when the sides of the coil are perpendicular to the magnetic field and zero when parallel to magnetic field. For exmaple, this question: Explain why the torque is maximum when the coil is at the position shown in the diagram (perpendicular to...
  21. A

    questions

    wow thank you so much!! I will have a look at them
  22. A

    questions

    1. Determine the force on a horizontal conductor 5.00cm long and carrying 30.0A from south to north if placed in a horizontal magnetic field of flux density 8.00 x 10^-1 T directed from east to west. 2. The horizontal component of the Earth's magnetic field at the equator is 3.0 x 10^-5T. What...
  23. A

    Curve sketching

    testing a random point works (easier than the other methods mentioned), thanks!
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