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  1. A

    Physics p1 ..wat happened ? :D

    Paper in an hour.. I am making the thread beforehand ! :D How did it go :P !! DIscuss
  2. A

    phisics paper 11 and 12

    I am doing 12 .. it is written on statement !
  3. A

    Physics mcq

    errrr.... it is mentioned in the option that steel is ductile :o
  4. A

    Physics mcq

    OH come on stop playing with the words :D now i am Asking :p Why is aluminium the correct answeR? ?? Isnt steel more resistive to plastic deformation ?
  5. A

    Urgent help Physics ..Paper tomorrow

    can anyone xplain me the mcq of jun09 q 19. I do not understand why it is aluminium.!! Shuldnt the answer be steel because it requires greater stress to get deformed.. somene please explain it to me !!!
  6. A

    Physics mcq

    Can anyone throw light on Hamiz's qustion ?
  7. A

    Physics P1 help needed

    Help someone ? :s
  8. A

    final practical details!

    Guyz read her posts before replying :D !!
  9. A

    final practical details!

    Well she just told .. Thanks a lot btw ;) !! And lucky me i still dont know how to use that manual stopwatch. the round one :D
  10. A

    Physics P11 Help-URGENT

    well u are given the diameter. !! force acts on pivot. divide it by 2 and convert it to meter !
  11. A

    Physics P1 help needed

    Nov 2009 Q.11 ) one question .. a big YYYYYYYY ???
  12. A

    p1 help needed!plz help me

    chk ur thread nannes.. i have replied
  13. A

    Physics P11 Help-URGENT

    Q.15 ) U have to apply the law of conservation to solve this one ! if the 2kg trolley travels with 2ms then the 1kg one travels with 4 ! calculate the K.E for both . u will get 4 for 2kg trolley and 8 for 1kg trolly.. add them up, u get 12. Option D Q.22 ) the original length is L . u need to...
  14. A

    physics mcqs HELP !

    Nannes go chk ur thread
  15. A

    Phiscis Paper1 O/N 2004 and 2005

    Nov 2005 : Q.5) Calculate the fractional uncertainties of all quantities.. add them up and multiply them by the density which i 2.5 ! U will get ur answer ! Q.7) the equation here is : i am taking t1 as x and t2 as y !.21 x+h = 0.5gy^2 U need to remove x. x =o.5gx^2 now the equations...
  16. A

    Phiscis Paper1 O/N 2004 and 2005

    Nov 2004 . Q.20 ) P=pgh ! p =P/gh ! Density of P / Density of Q = (P/2x)/(P/x) = 1/2 . Option A Q.21) there are two forms amophous and crystalline. metallic structures are crystalline while nonmetals and polymers are amorphous.. Diamond has a crystalline structure and copper is a metal so it...
  17. A

    Physics P11 Help-URGENT

    Q.14 ) Inititally kinetic energy was calculated on the resultant velocity of horizntal and verical component. take it as V . so the K.E becomes 0.5 mv^2 . at he highest point verical velocity is zero so the only velocity acting is vcos45 which gives u sq.root2/2v ! now calculate K.E on this ,u...
  18. A

    Physics P11 Help-URGENT

    Q.13) What you need to notice here is that the force applied on Q would be equal to the frce applied on P . so F x 0.05m = 3 F=60 . Only option D matches your answer but if u need to confirm your answer calculate the torque. 0.075 x 60 =4.5
  19. A

    Physics P11 Help-URGENT

    Q.11) it is a simple definition. a concept. dat doesnot need explanation i think Q.12 )As the two pics are same, their wights are same so the reaction forces on the are als going to be same. ! that takes us to either option A or B. now for the tension .cmplete the triangle. sinA = R/T this...
  20. A

    Physics As help needed

    Total force acting = downward force - resistive force. = 20N - 6N =14N F=ma . a = 14/10 = 1.4 .Option A
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