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  1. E

    HSC Physics Predictions / Thoughts

    Ye that was my reasoning as well
  2. E

    HSC Chemistry SOLUTIONS / Thoughts / Predictions

    I don't know why but after I completed question 30 in that exam, I got a confidence boost??
  3. E

    HSC Physics Predictions / Thoughts

    Q20 I put A in the exam Here is my reasoning and my teacher's reasoning The ball is projected at angle to horizontal and with speed u ms^-1. So it undergoes projectile motion. However it was projected against a circular wall. So it will also undergo circular motion. If you look at the image...
  4. E

    HSC Physics Predictions / Thoughts

    A – you don't need brushes in ac induction motor. Thats why it is a frictionless motor
  5. E

    HSC Physics Predictions / Thoughts

    My teacher said that low 80s is band 6 cutoff
  6. E

    HSC Physics Predictions / Thoughts

    I put A – withdraw the rods. Its true that rods absorb the neutrons and the question states that the moderator increases the rate of fission. So putting the control the rods further into the reactor core would cause more neutrons to be absorbed while withdrawing them will cause fewer neutrons...
  7. E

    HSC Physics Predictions / Thoughts

    can someone briefly explain how particle accelerators are evidence for standard model?
  8. E

    HSC Chemistry SOLUTIONS / Thoughts / Predictions

    I don't remember studying any of those methods in my class. Plus for all the trial and hsc exam papers I have done, I don't remember seeing any questions on those methods.
  9. E

    HSC Physics Predictions / Thoughts

    Since u lot are all pretty smart, anyone know how to solve Schrodinger's differential equation?
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