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  1. H

    Mathematics: Post your doubts here!

    Re: Maths help available here!!! Stuck somewhere?? Ask here! buddy my advice for solving modular inequalities.....if u have modulus on both sides u can take square and solve.....secondly if u have a situation where u have modulus on one side and a number on the other.....u cn only square if...
  2. H

    physixs ideal gas question

    the approach i used was that 1st u get 415 moles of gas in cylinder in part i ans......then using info in sceond line u cn figure out no . of mol in one baloon....theyturned out to be .55 mol..... so 1 baloon has .55 mol ....how many baloons will have 415 moles....so by this way u get 746...
  3. H

    physixs ideal gas question

    wat anser u get for ii....i m getting 746 bt markschemes says 741
  4. H

    Mathematics: Post your doubts here!

    Re: Maths help available here!!! Stuck somewhere?? Ask here! so brother anser at bak of book must be wrong it shud be 0<h<12/7
  5. H

    Mathematics: Post your doubts here!

    Re: Maths help available here!!! Stuck somewhere?? Ask here!
  6. H

    A Level Chemistry REvision guide for download!!!

    why its no more there....cud anyone reupload it pleaseeeeee..........i Beg U
  7. H

    A2 Biology - help please

    buddy one strange thing.....chek m/j o9 Q 1 PART C OF PAPER 4/....OTS MARKSCHEMES LAST POINT q10=2 ....wth is Q10?????
  8. H

    A2 Biology - help please

    buddy one strange thing.....chek m/j o9 Q 1 PART C OF PAPER 4/....OTS MARKSCHEMES LAST POINT q10=2 ....wth is Q10?????
  9. H

    physics question

    thanx buddy....
  10. H

    physics question

    .....how u define weight ............Force of gravity acting on an object ....so i mean Fg is weight....i m cnfused
  11. H

    Further Mathematics: Post your doubts here!

    Re: The Further Maths Thread U CN TRY out EDEXCEL LIVETEXTS......A google search WILl most probably help u finding links M3 M4 AND M5 frther mechanics books...
  12. H

    physics question

    http://xtremepapers.com/CIE/Internation ... 3_qp_4.pdf q1 part b....i have learntt that centripetal force is not a force on its own bt rather a resultant force whic keeps object in circular path......so Fg can be providing it or Tension.....anything and its magnitude wud be equal to these...
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    A2 Biology - help please

    p4 and p5
  14. H

    A2 Biology - help please

    p4 and p5
  15. H

    CHemguide's Calculation book availibility???

    is this book available in pak
  16. H

    A2 Biology - help please

    An athlete sprinted for 100 m. This intense activity used anaerobic respiration. Describe and explain what would happen to the athlete’s RQ value? in MS its mentioned "ref to residual aerobic respiration ;" wat does this mean ?
  17. H

    A2 Biology - help please

  18. H

    modular functions help

    in cases like this where u hav a combination of two moduli......how shud i solve the equation....apart from drawing graph
  19. H

    PHOTOSYSTEM 1 doubt ....

    well PHOTOSYSTEM II Electron fills the hole left by ps1 WEN ITS e- ON CHOLOROPHYLL A MOLECULE IS EXCITED....
  20. H

    PHOTOSYSTEM 1 doubt ....

    we know that photon excites an electron of the P700 pair of chlorophyll a molecules .....is that the same electron coming from the ETC .....or is it a totally different electron present on chlorophyll a molecule?
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