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  1. axwe7

    Complex no questoin

  2. axwe7

    technique

    I let my neighbour know beyond the hill thx
  3. axwe7

    Good question - this may help you

    Is sarcasm a technique? Yes? or no?
  4. axwe7

    3D - Trig Q diagram needed

    An aeroplane flies horizontally due east at a constant speed of 240km/hr, From a point P on the ground, the bearing of the plane at one instant is 311 T, and 3 min later, the bearing of the plane is 073 T, whilst its elevation then is 21. If h metres is the altitude of the plane, show that h =...
  5. axwe7

    3D - Trig Q

    A tower stands at the foot of a plane which is inclined to the horizontal at an angle of 12. A line 100m in length is measured straight up the incline from the foot of the tower. It is found that at the end of this line the tower subtends an angle of 62. Calculate the height of the tower to the...
  6. axwe7

    State Rank Physics, Chem & Bio?

    Around what mark would give me a state rank for Physics, Chem or Bio? Thx.
  7. axwe7

    Question

    How much work is done by a weight-lifter (1.6 m tall) lifting 250 kg from the ground to 0.45 m above his head??
  8. axwe7

    Quick Q's

    If momentum (a vector) is conserved, explain why, after a ball bounces off a wall or the ground, the direction of the momentum vector has changed. 2. How would you explain the bouncing of a ball, Newton's 3rd Law? Because that's an equal & opp. therefore wouldn't it just keep going at a...
  9. axwe7

    C. Geo

    Two perpendicular chords AB and CD of a circle, centre O, intersect at E. Prove that angle AOD + angle BOC=180º.
  10. axwe7

    ATAR Estimate :D

    School rank: 180-210 Subject ranks: Maths Ext. 2 : 4/27 Maths Ext. 1 : 3/56 Physics : 4/48 Biology : 7/32 Chemistry : 4/68 English Adv. : 22/55 Thanks BOS'ers.
  11. axwe7

    Ngo & Sons

    Hey everyone, I was just looking up Ngo & Sons and it said that they tutor Ext 1 Maths to Year 9's and Ext. 2 Math to Year 10's... So year 9's supposedly do HSC Ext. 1 Math and Year 10's do Ext 2. Math... Is this true, because I find it hard to believe... And does anyone have their...
  12. axwe7

    NEED HELP!! Equal Intercepts - Plane Geo

    I don't know what it means.... fitzpatrick doesnt explain correctly.. It could help if you can give me a full worked solution for exercise 4(f) Question 2 (a) and (b). that is; Prove that; (a) HE is parallel to DB (b) GF is parallel to DB EDIT 1: E, F, G and H are the midpoints of the...
  13. axwe7

    Plane Geo

    Following diagram is needed (attached). Prove that, (a) Triangle APC = Triangle AQC (b) PC is parallel to AQ (c) PC = AQ (d) AQCP is a parallelogram Need help with all, thanks :D Edit 1: ABCD is a parallelogram such that AP = QC and AP is parallel to QC
  14. axwe7

    Physics Question

    An astronaut on the moon drops a golf ball to determine the acceleration due to gravity. The time taken to fall through 1.2 m is 1.2 s. Determine the acceleration due to gravity on the moon. I know that a = (v-u)/t However the numerator states values based on velocity. Hence we should first...
  15. axwe7

    "Studying Smarter"?

    Hello fellow BOS'ers! They call it the key to success in the HSC I just am really concerned and worried about issues relating to my first Preliminary HSC exams which are coming up in 3-4 weeks time. I want to be prepared. I want to ace. Even though you all are going to say, "It's...
  16. axwe7

    Hard Chemistry Question

    I am a Year 11 student, in Chemistry I've only started the module known as; "The Chemical Earth". QUESTION: 2g of each of the following pars of solids are mixed. Could they be successfully separated by filtration techniques? The solubility of each substance in 1 Litre of water is given in...
  17. axwe7

    Robert Hooke & Cell Theory

    Q : Describe the evidence used by Hooke to support the beginning of the cell theory, "all living things are made of cells". How do I answer this?
  18. axwe7

    Graphing Question

    How would you graph y= f(x)?? I mean, for every value of y, wouldn't f(x) be the same? So wouldn't it be a point?
  19. axwe7

    Water Question

    What is a polar bond? And what is a polar molecule? In-depth explanation of both would be extremely beneficial :D :hammer:
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