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  1. J

    ACPW help

    quick question, the velocity of a particle moving in SHM in a straight line is given by v^2=4x-x^2 c) find maximum speed of particle how do you find maximum speed?
  2. J

    ACPW help

    the velocity of a particle is given by dx/dt=4x cms^-1. if the particle is initially at rest 5cm to the right of the origin a) find the equation of its displacement in terms of t d))show that the particle is never at the origin
  3. J

    technique shakespeare

    any techniques besides tone or dialogue for this quote by queen Elizabeth in the play Richard III "you envy my advancement" and Richard "They do me wrong, and I will not endure it!"
  4. J

    technique discovery related

    Hi, I have this related and a really good quote where the composer is self reflecting her beliefs in previous perceptions of self, I was wondering if there is a specific technique in self-reflection instead of Juxtaposition
  5. J

    polynomial question

    if x^3+3x=ax(x-1)^2+bx(x-1)+cx+d for all values of x, find the values of a,b,c and d I don't have the answer
  6. J

    technique discovery related

    I have this quote "grass and sheaves and, lastly, snow" is there any other technique besides cumulative listing and symbolism? its the stages of life any other technique that would be helpful for this quote
  7. J

    is there a technique for the composer to talk to the reader through words?

    is there a technique for the composer to talk to the reader through words? I was wondering cause I have a quote 'you are powerful..allow yourself to be" and I need techniques the full quote is as if the composer, is actually sending a message to the viewer thanks...
  8. J

    ratios of double angles

    Q. simplify each of the following in terms of the indicated angle: j. 1-cos(theta)/1+cos(theta);theta/2 I have tried squaring it and other methods but im not getting the answer tan^2 (theta)/2 Thank you :lol:
  9. J

    practical/ case study exam

    Hello I have a practical and case study exam for hsc pe I just want to know what would be the exam? Would it be they give you a scenario and you answer it or is it something else? Thx heaps
  10. J

    Prep for year 12

    Hey, I was just wondering (cause I'm starting year 12 soon), how should I start preparing myself in the holidays for year 12? I am waiting on my new timetable to make a homework timetable for year 12 I'm cleaning out my prelim work, into topic summaries What else should I do? Thanks :)...
  11. J

    locus:please help

    Hi please help find the equation of the focal chord PF on the parabola x^2=8y where P = (-8,8) and F is the focus Thanks
  12. J

    Locus: Help please

    3. Find the point of intersection between the i. tangent Ii. Normal to the curve A. x^2=4y at the points (2p,p^2) and 2q,q^2) Thank you :)
  13. J

    Does your cohort mark average affect your atar

    Hey, I just want to know if you get lets say 92% in pdhpe and your cohorts average was lets say 52%, would that affect my atar? Sorry if I didn't make sense... XD
  14. J

    Locus: tangent and normal

    Hello, Please help 10. Find the equation of the tangent to the curve x^2=-2y at the tangent point (4,-8). This tangent meets the directrix at point M. find the coordinates Thank you P.s. I got the equation for the tangent I don't know how to find the directrix
  15. J

    Help please, focal chord

    Hey I'm having trouble with this equation 11. c. find the length of the focal chord that meets the parabola at (2, -1/3) Also could you please tell me what the focal chord is? (optional) thank you :)
  16. J

    please help the parabola of a locus

    Hello :) I have a question 5.g. ex. 11.4 Find the equation of the parabola with coordinates of the vertex (0,0) and equation of the axis x=0 and passing through the point (-8,2) thank you
  17. J

    circle as a locus please help :)

    Hello :) Could you please help me with this question, much appreciated 23. Find the exact length of the tangent from (4,-5) to the circle x^2 + 4x + y^2 -2y-11=0. Thanks
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