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  1. hamzashariq

    Physics: Post your doubts here!

    For zero resultant force upward and downward forces must be zero and in D 42 + 70 = 112N For zero resultant torque sum of clockwise moments must be equal to sum of anticlockwise moments 42*50 = 30*70 = 2100Ncm
  2. hamzashariq

    Physics: Post your doubts here!

    haha yeah thanks.
  3. hamzashariq

    Physics: Post your doubts here!

    But I can't understand how to measure the resistance of 2.
  4. hamzashariq

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s12_qp_12.pdf Q38.
  5. hamzashariq

    Physics: Post your doubts here!

    The horizontal component of the velocity is also affected by the air resistance so it eventually becomes zero.
  6. hamzashariq

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s13_qp_13.pdf Q11.
  7. hamzashariq

    Chemistry: Post your doubts here!

    Thanks a lot :)
  8. hamzashariq

    Chemistry: Post your doubts here!

    Thanks. The actual question is Q4b(iii) in the following link. http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w08_qp_4.pdf In the mark scheme...
  9. hamzashariq

    Chemistry: Post your doubts here!

    C40H82 ---> C16H34 + 2C12H24 How would you calculate the bond energy of this reaction? (bond energy C-C 350, C=C 610, C-H 410)
  10. hamzashariq

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w08_qp_1.pdf Q.10 the answer is D. but why?? shouldn't it be u1-u2 since they are in opposite direction??
  11. hamzashariq

    Chemistry: Post your doubts here!

    Which pair of elements have bonds of the same type between their atoms in the solid state? A aluminium and phosphorus B chlorine and argon C magnesium and silicon D sulphur and chlorine explain please
  12. hamzashariq

    Results: CIE May/June 2013 Examination Series

    All A stars Alhumdulillah. Physics, Chemistry, Maths, English, Computer...
  13. hamzashariq

    Cambridge Result May June 2013.

    Thanks a lot bro..
  14. hamzashariq

    Cambridge Result May June 2013.

    Thanks, what about u?
  15. hamzashariq

    Cambridge Result May June 2013.

    All A stars Alhumdulillah Physics, Chemistry, Maths, English, Computer...
  16. hamzashariq

    u guys seriously can't get enough of the puzzles =D

    Is it "stand up and be counted."
  17. hamzashariq

    May/June 2013 Papers!!!

    lol, i guess i'll take it.
  18. hamzashariq

    May/June 2013 Papers!!!

    Im the 50000th visitor of your site, what do i get??
  19. hamzashariq

    Computer Studies Notes + Tips + Queries

    Are there any notes or something on filling tracetables
  20. hamzashariq

    Maths D 22

    and i think distinction is probably at 0/180. Cant believe there are students who score full marks.
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