destined007
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  • Please tell me how to solve this [pdf] 9702_w10_qp_21.pdf question 5 c. Why do we take angle to be 90? Please your help will be appreciated.
    Thought blocker
    Thought blocker
    Late :p
    As stationary wave doesn't travel, the speed calculated is speed of the incident and reflected waves. these two waves superimpose/interfere to create the stationary wave
    hey..can you post format/tips or sample answer for chemistry paper 5 any year 2007 onward if possible. i haven't learned it but exam is around the corner thank you =)
    destined007
    destined007
    I have posted paper 5 help in some of my previous posts. You will have to search for them in this forum.
    can some1 tell me the solution of the following question (its in Oct/Nov 2010, 9709/32, Q7 Part(ii))

    With respect to the origin O, the points A and B have position vectors given by
    −−→
    OA = i + 2j + 2k and
    −−→
    OB = 3i + 4j. The point P lies on the line AB and OP is perpendicular to AB
    (ii) Find the position vector of P.
    And apart from notes can u also send me the link of the whole solutions of exercise 16D of chapter 16-Integration of puremathematics 1 textbook...plzzz i need help asap.......and also the notes.oh allah
    Hello.it been quite some time since I last wrote to you.This time its something more important that before.I need some as and a level notes for subjects like accouting,economics and especially puremathematics 1 as the portion is soo vast.
    Hi Destined007 , I was looking for 4EC0 , for IGCSE "o" levels ,and ICT
    I reallt cannot thank you enough for sharing the rest subjects . **
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