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  1. Abu mota

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s12_qp_43.pdf Q.2 and Q.7 iii) and iv)
  2. Abu mota

    Mathematics: Post your doubts here!

    plz help me
  3. Abu mota

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s12_qp_11.pdf Q.7bii and Q.9 iii
  4. Abu mota

    Mathematics: Post your doubts here!

    plz help me, im terrible at mechanics.
  5. Abu mota

    Mathematics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w10_qp_43.pdf Q.4 Also: http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s10_qp_43.pdf Q.6 ii and Q.7 ii and iii
  6. Abu mota

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s07_qp_1.pdf Q.36 The answer is D, i know that the first one is correct and that the 2nd one is wrong but the third statement to me looked ok, so i just said A. Now my question is: why...
  7. Abu mota

    Mathematics: Post your doubts here!

    t tyvm :)
  8. Abu mota

    Mathematics: Post your doubts here!

    w07 Q.7.b) http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w07_qp_1.pdf
  9. Abu mota

    Chemistry: Post your doubts here!

    i cant do most of the questions on aldehydes,ketones,carboxylic acids, alcohols and esters on P1 and P2. My problem is that they ask for substances i've never seen. plz tell me an easy way of solving questions like these.
  10. Abu mota

    Physics: Post your doubts here!

    ok i think i saw a different mark scheme, it all makes sense now i tried to find an explanation for why it is A and i came up with a stupid explanation. ty for pointing it out.
  11. Abu mota

    Physics: Post your doubts here!

    no actually the answer is A for this question, i check the mark scheme. anyway for Q.25 direction of energy travel is to the right so you move across the wave in the opposite direction which is to the left, then if u find that your finger goes down when u go across the wave at P, then it will...
  12. Abu mota

    Why are grade thresholds (boundaries) so low? PLEASE ANSWER !

    why are u making two threads for this? just study and do ur best in the exam, who cares what the gt is.
  13. Abu mota

    Physics: Post your doubts here!

    Hela: for question 7 it might be because at first the total kinetic energy is 1/2 mv^2 and after that we have double the mass which mean kinetic energy is mv^2 as Ek= 1/2mv^2 then mv^2=2Ek then as we have two masses the kinetic energy is spread on both of them so 2Ek/2 will give Ek each and so...
  14. Abu mota

    Physics: Post your doubts here!

    13. A, because you have to consider the weight of the ruler which is 50N as it is a uniform ruler it must act at 1.5 ( half 3) which is 0.5 from the pivot 0.5x50=1xW (clockwise moment=anti-clockwise moment) W=25N 16. B, as there is no loss of energy to the surroundings as heat as there is no air...
  15. Abu mota

    Physics: Post your doubts here!

    7. idk really. 8. D, because it is a rule if two particles of the same mass collide elastically then they interchange their velocities. 9. C , because young modulus is the same as long as the material is the same, and since they are both steel so the young modulus wont change. 10. D, because I...
  16. Abu mota

    Physics: Post your doubts here!

    s=1/2at^2 L is directly proportional to t^2 so if u halve t u will quarter L so the answer is 0.25L which is B
  17. Abu mota

    CIE Mechanics 1 Book

    Rue Nassih Eddine Res Anfa 2 Magasin RDC Casablanca Morocco Tel: (022) 257 400 Fax (022) 257 427 Contact: Amine Debbagh E-mail: [email protected] this is a bookshop in morocco, you might find the book there.
  18. Abu mota

    Physics: Post your doubts here!

    plz help me and ty
  19. Abu mota

    business studies notes

    just to make it clear none of these files were written by me, i just uploaded the useful stuff i found. i hope u like them, btw they r all for revision not for studying.
  20. Abu mota

    IGCSE Accounting

    im having some problems with accounting, i want to know how to do all the accounts like balance sheets, depreciation accounts and so on. please explain it in details and ty :)
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