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  1. K

    Trial Q

    Ohhh thanks so much. that makes sense
  2. K

    Mod 6 Q

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

    Trial Q

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

    Trial Q

    Hmm, I see, thanks for your help!
  5. K

    Trial Q

    Can someone please explain how they did this question???
  7. 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
  8. K

    Mechanics Trial Q

  9. K

    Mechanics Trial Q

    For this q, i was confused why the found the third solution? How would i know this from the question?
  10. K

    Mechanics Trial Q

    Thank you so much for your help! that makes sense
  11. K

    Mechanics Trial Q

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

    QATS Trial 2019

    Ohhhh ok, that makes so much sense, thank you so much for your help!
  14. K

    QATS Trial 2019

    I kinda get what you mean, but i still don't really understand how to interpret the diagram. How would i know where they are out of phase by 2λ?
  15. K

    QATS Trial 2019

    Can someone please explain how we do questions like this?
  16. 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
  17. 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??
  19. K

    Maths Q - Perms n combs ?

    thanks so much lad
  20. K

    Maths Q - Perms n combs ?

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

    HSC 2020

    I don't get why they wrote p-r for PR
  22. K

    HSC 2020

    then why did they write p-r ??
  23. 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??
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