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Search results

  1. O

    Biology grade

    90% as in the UMS score or the raw score?
  2. O

    Biology grade

    Bump
  3. O

    Biology grade

    Anyone?
  4. O

    Biology grade

    Hi, i hope someone can shed some light about cie grading. I obtained 71 Ums for biology AS. I would like to know if i still stand a chance in getting an Ums A for my overall grade? How much do i need to score for p4 in order to get my A?
  5. O

    HOW WAS CHEM PAPER 5?

    Alright trolls, here's best fit linessssss. http://www.google.com.my/search?hl=en&b ... a=N&tab=wi
  6. O

    Physics p4 nov 10

    Question a (i) They are asking for lowest point and highest point. This is SHM. According to the equation given, [ d = – 4.0 cos(220t ) ], 4.0 is the amplitude. Formula for SHM is [ x = x1 sin wt ] where x1 is the amplitude. Question a (ii) According to the equation, w is 220. Number of...
  7. O

    Physics p4 nov 10

    Which question of q3?
  8. O

    Physics paper4 predictions

    Question on mobile phone is definitely coming out and ultrasound has high chances of appearing also.
  9. O

    Physics p4 nov 10

    How much is being transmitted into the medium is caused by fraction of the intensity. For instance, lets say the fraction in our bone is 5/7 and the incident wave intensity is I. The amount of ultrasound transmitted into our bone will be 5I/7.
  10. O

    Physics p4 nov 10

    For that ultrasound question, have you gotten the answer for b)i and ii) ? I suppose you can do these 2 questions by yourself. For the 3rd question, they are asking for intensity of ultrasound thats reflected back to the surface of the muscle. You have to times twice the fraction of the incident...
  11. O

    Physics p4 nov 10

    Yeah, most likely its a misprint.
  12. O

    Physics p4 nov 10

    Sorry my bad. You must understand first law of thermodynamics in order for you to do this question. Total internal energy = Heat supplied + Work done on gas. From P to Q, the volume of gas decreases which means work done on gas. So, the value must be positive. Work done from P to Q is 240J and...
  13. O

    Need help for Physics P4

    Hi, i wonder if anyone has a decent note which explains thoroughly on Telecommunication? [Sort of off-topic] Is there anyone out there feels the same as me now? You have finished studying all the notes, done with past year papers but you still feel that you're lacking of something. Something is...
  14. O

    Physics p4 nov 10

    Since ideal gas has no intermolecular force, there is no potential energy. Internal energy is the sum of kinetic energy and potential energy. Hence, increase in internal energy will directly affect the kinetic energy. Conclusion, increase in KE = increase in temperature.
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