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  1. A

    M1 math

    wat is this anser?
  2. A

    M1 math

    im guessing its W or maybe zero, but i dont think so im not that good with mechanics
  3. A

    M1 math

    oh sorry yea 2000 thanks for ur help
  4. A

    M1 math

    so what would be the acceleration 200a=200*0.4 ryt?
  5. A

    need help in physics p4-w10_qp_41

    we need the graph
  6. A

    M1 math

    so say the upper mass was 200kg instead of 400 and the friction is the same(1600) how would u find the acceleration?
  7. A

    M1 math

    i have two questions 1)u said: there must be a force on b which cause it to move forwards who said B is moving forwards all u know is the sliding motion 2)that doesnt explain why u would use the weight of only the bottom block when calculating the acceleration any notes will be appreciated!
  8. A

    M1 math

    will this be the case for any two objects ontop of each other ie. taking the mass of the lower box and may i ask if the force was applied to the top box what would be the maximum acceleration.
  9. A

    M1 math

    in the first part u wrote 1600>400a why did u use the weight of only one of the boxes?
  10. A

    M1 math

    http://www.xtremepapers.me/CIE/International%20A%20And%20AS%20Level/9709%20-%20Mathematics/9709_w04_qp_4.pdf question 6 part 2 i need an explanation
  11. A

    Maths (Paper 1)

    for s09 at X=0 Y=13 u want another point on the line where Y=13 so it can be symetric so u replace 13 as Y in the equation and solve for X u will get 0 and 6, here: 2X^2 -12X +13=13 2X^2 -12X=0 taking X as common factor X(2X-12)=0 X=0 or 2X=12,X=6 hope it helps
  12. A

    Maths Paper 1 may/june 07

    the domain of the inverse is the range of the function . the range of the function is 0<y<2 but remember in the domain u will replace the Y with an X
  13. A

    Mathematics

    guys we already established the anser as 10!/5! earlier in the forum by me and usman and that is the correct anser so thnx for the replys but MW24595 got the anser
  14. A

    Requirements for Aerospace Engineering

    well any engineering needs math so take it instead of bio or both
  15. A

    M1 math

    yea i totaly forgot about the reaction force in B so i got the wrong anser. thanks
  16. A

    M1 math

    http://www.xtremepapers.net/CIE/International%20A%20And%20AS%20Level/9709%20-%20Mathematics/9709_s09_qp_4.pdf first question how is the tension 40
  17. A

    chem help

    for question 8 i would say b or d u cant use an acid as a fire extinguisher and im not sure about the second option but i dont think its correct because hydrocarbons are flamable so i would go for D
  18. A

    Mathematics

    well if u treat all the vowels as one letter u do not include the order of the vowels, as there is only one order which is A E I O U the rest of the letters can be rearanged in many ways 10! so we divide by the number of vowels 5! i cant explain much more than that sorry
  19. A

    Mathematics

    10!/5!
  20. A

    Mathematics

    im not sure but i think if u treat all the vowels as the same letter it might give u the correct ans. then it would be 10!/5!
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