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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
Late
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
HI I NEED I.T PAST PAPER CAN U PLZ SEND IT THANKYOU.
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
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.
thx so much for the mark scheme!
How's ur Undergraduate study is going?
hey where r u since so many days!!!!???
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 due u have the 4AC0 marking scheme Accounting
Hi Destined007 , I was looking for 4EC0 , for IGCSE "o" levels ,and ICT
I reallt cannot thank you enough for sharing the rest subjects . **
Hi Bro , do u have 4ECO economics june 2011 paper posted edexcel Igcse