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    9709 MATHS P3 O/N 2009 32 {Q7 (ii), (iii), (iv}

    I have a small doubt in complex numbers.... PLZ can anyone help me in doing these 3 subparts :) MATHS P3 O/N 2009 32 {Q7 (ii), (iii), (iv}
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    9709 Mathematics P3 O/N 2004 [Q3 (iii)]

    I solved the first part and got a = -3 i did the second part and got the other factor of p(x) (i.e. 2x^2 + x + 2) now i didn't understand the (iii) part and the marking scheme is not clear :unknown: Please can anyone help :D ?
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    Maths P3 9709 M/J 2010 (1st variant) Qn1

    Finding Modulus Question I use the method of squaring both the sides, so when i did, i reached till the step: -3x^2 + 22ax - 7a^2 > 0 its a quadratic eqn but how to to solve it with (a) ?? :unknown:
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    Physics 9709 p4 m/j 2005 qn 7 (a) graph and (c) part

    can any on draw the graph and keep it as an attachment... i'm confused whether it a decreasing graph (going downwards) or increasing graph (going upwards).. the only piont i know is the half life point (2.6, 0.7) i didn't undrstand the (c) part can anyone explain? :) :)
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    Urgent!! Physics p4 O/N 2006 Qn 6 (b) graph

    Help me finding the period.. i got the peak value in a (i) part to be 8.5 so 2.0Vcm^-1 ----- 1 cm 8.5Vcm^-1 ----- (4.25) 4.25 squares along y axis please help me for x axis :D
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    PHYSICS APPLICATION

    can anyone explain to me the piezo electric crystal (pg 19 in APPLICATION BOOKLET) about the compressed and extended diagrams i wud like 2 know how the polarity of the potential differences causes these changes?? :unknown: thnxs
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    PHYSICS APPLICATION , AGAIN!!!

    Please can anyone correct my steps and explain to me whether my conclusion is right or not? :good: There are two qns that are nearly similar, about application: 1. Specimen paper 4, Qn 8 2. O/N 2009 41, Qn 10 I did the specimen paper qn and understood the concept :) ok now i did the o/n...
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    9702 PHYSICS P4 SPECIMEN PAPER QN 8 (b)

    part (i) 2. * mmm i need to know how we took 800 as the R and didnt consider the thermistor (2200)? * for part 3. the output will be -9.0 because the inverting (-) voltage (4.5) is greater than the non-inverting (+) voltage 2.4. Ok in the application booklet it says that when the output exeeds...
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    URGENT!! Physics Application p4 o/n 2009 42 Qn 11

    Please can anyone help me solving this qn :) i 've a doubt in finding the frequencies of both the carrier wave and the information signal i know only abt f=1/T but i dont know how 2 take the time periods of both?? thnks. :mrgreen:
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    Physics p4 help m/j 2008 qn 1 (b)

    i did the following: d = 0.35 0.72 W = mdω^2 0.72 x 9.81 x m = m x 0.35 x ω^2 ω^2 = (0.72 x 9.81) / (0.35) ω = √(0.72 x 9.81) / (0.35) ω = 4.49 now i have a doubt to find (n), the no. of revolutions per minute :) ? HELP ME =)
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    MATHEMATICS 9709 O/N 2010 33 Qn 6 Help!!

    Can anyone help me solving this qn... please? :D
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    Physics Help!! O/N 2010 P4 Qn 1 (c) (ii)

    can anyone help me in solving it??
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    AS Physics paper 2....COMING SOON !!!!!

    Hi friends let me tell u what to do in order to score gd marks on physics 2 exam :D 1. Take the syllabus and understand each point 2. Underline all the definitions and laws especially those who are aleardy written in the syllabus 3. The definidions of (power, pressure, workdone, density...
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    PHYSICS 32.....ANY HELP !!!!!!!

    does anyone knows anything abt physics practical 32?? please its very urgent i got to go after 2 hours !!! reply guys.
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