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Search results

  1. H

    some physics questions

    thanx for the 14th one bt u got 13th one wrong...see at highest point it will hav horizontal component of velocity as its total velocity.so v will be v cos45 initially k.e was .5mv*2 now k.e is .5 m(vcos45)*2 that comes .25 mv*2 i.e is .5 times of initiall value.....so anser is A
  2. H

    some physics questions

  3. H

    some physics questions

  4. H

    physics question.....

    the total mass is---->the acc. of the box is caused by the 2kg block plus the mass itself..so the total mass is 2+8=10 kg plzx elaborate this point larina
  5. H

    physics question.....

    ya zishi i was also thinking the same but larina is ryt cos markscheme says ans is A
  6. H

    physics question.....

  7. H

    Physics Book

    international as a level physics is the perfect BOOK
  8. H

    DO I NEEDTO GIVE SAT?? URGENT HELP NEEDED!!

    well u dont need it if u are to study in pak.....
  9. H

    immunity

    cud sum1 plxx summarise the main points of this chapter.....i hav exam 2mrw
  10. H

    Biology DNA replication and protein synthesis

    go to scool.co.uk
  11. H

    collagen and tensile strength..?

    An oxygen molecule diffuses directly from the air in an alveolus to haemoglobin in a red blood cell. What is the minimum number of cell surface membranes through which this molecule must pass? A 2 B 3 C 4 D 5
  12. H

    collagen and tensile strength..?

    explain it..
  13. H

    question....tidal volume

  14. H

    nitrogen cycle....?

    summarise it plxx.......anybody
  15. H

    its urgent.....HAEMOGLOBIN DISSOCIATION CURVE

    HEY anybody here cud summarise it for me
  16. H

    ....electrical control of heart....

    ya i saw
  17. H

    SPRINGS attached in series

    can anyone help me understand this......esp. the expression for compressed distance
  18. H

    ISOLATED system and conservation of momentum

    can any1 explain what an isolated system is in the context of conservation of momentum
  19. H

    test questions from me part II

    1---vegetables oils are unsaturated fats----in short fats obtained from plants sources 2---animal fat for saturated 3---well u consider dynamic equilibrium here....so by decreasing temp..if u want detailed explanation---i cn give it 4---unsaturated means u hav got a = bond b/w...
  20. H

    test questions from me

    @ chem master........if u have'nt met this b4 then try it must this is one of the most frequently asked equation in o level paper (mcqx) Copper+nitric acid---->copper(II)nitrate+nitrogen dioxide(no2)+h2o try balancing it.......its smwhat tough from the normal ones u try.....
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