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  1. K

    Mod 6 Q

    Why is the force acting on the coil always constant as the coil rotates???
  2. K

    Trial Q

    Can someone show their working for this q please?? The answer is A
  3. K

    Trial Q

    Can someone please explain how they did this question???
  4. K

    Trial Paper Q

    For this question, and in the second photo, the solution, can someone please explain how they expanded it to get that??? I'm confused
  5. K

    Mechanics Trial Q

    Can someone please show me their working for this question. How do we get D??
  7. K

    QATS Trial 2019

    Can someone please explain how we do questions like this?
  8. K

    Trial Q

    Can someone please do this question and show me their working? I have no idea what this working out means, especially the first line
  9. K

    Forces Q

    Can someone please explain why the normal force is 0 when she enters the pipe and then back to 0 at the other side??
  10. K

    Maths Q - Perms n combs ?

    How do i do this question ? The answer is D
  11. K

    HSC 2020

    How do we do this question?? I don't understand the solution, particularly the expression they derived for PR. Can someone please show me how to do this question??
  13. K

    Trial Q

    How do we do questions like this?? How do we know what emr is produced by electrical circuits?
  14. K

    Trial Q

    In this question, how did they even get that highlighted identity??? Im so confused
  15. K

    Proofs Trial Q

    Can someone please explain why the answer to this question is D, and none of the others?
  16. K

    Physics HSC 2021

    Can someone please explain this question. I get that eddy current form on both sides. But how do we determine their direction and the resultant force on the magnet??
  17. K

    Integration Q Howard

    In this question, how did they get from that line to the next. This is for part (iii)
  19. K

    HSC 2014 Q

    Can someone explain why the answer to this question is D, please? I don't think i fully understand this concept
  20. K

    Howard Vectors Q

    Can someone please explain this question to me. I don't understand line two of the solution, in particular.
  21. K

    2010 HSC Q

    For this question. I don't understand how they used (ii) to solve. Is there a certain property they used?? How do we do this question
  22. K

    Past HSC Q

    How would i do this q? Why is the answer 20m?
  23. K

    HSC 2009 Q

    How would you do this question? (a). The answer is food
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