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Recent content by Jessie N.

  1. Jessie N.

    Mathematics: Post your doubts here!

    someone please help. My friend asked me this and I dunno how to solve it :/ AS problem I think.
  2. Jessie N.

    Physics: Post your doubts here!

    Good luck tomorrow!! Fight for the exam!!
  3. Jessie N.

    Physics: Post your doubts here!

    Thank you TTvTT！！！！！
  4. Jessie N.

    Physics: Post your doubts here!

    Related to Kirchoff's first law, coz the resistance is the same, so I is equally divided.
  5. Jessie N.

    Physics: Post your doubts here!

    Not very sure, just trying to solve :)
  6. Jessie N.

    Physics: Post your doubts here!

    Try to explain, hope you can understand :D
  7. Jessie N.

    Physics: Post your doubts here!

    I think I get Q33 :P Just find the ratio of cross sectional area I guess, it will be 1:16, so resistance is 0.2*16= 3.2
  8. Jessie N.

    Physics: Post your doubts here!

    thanks anyway！
  9. Jessie N.

    Physics: Post your doubts here!

    Help please！！ans is B and D
  10. Jessie N.

    Physics: Post your doubts here!

    Wavelength of visible spectrum is between 400~750nm So the frequency is in between 4*10^14 ~7.5*10^14 Hz Thus ans is C
  11. Jessie N.

    Physics: Post your doubts here!

    o(^▽^)o
  12. Jessie N.

    Physics: Post your doubts here!

    Hope my answers are correct >~<
  13. Jessie N.

    Physics: Post your doubts here!

    Is the answer B ?
  14. Jessie N.

    Physics: Post your doubts here!

    Awwww thank you o(≧▽≦)o
  15. Jessie N.

    Chemistry: Post your doubts here!

    For D，the first and the second one is the same. Try to draw out the displayed formula then you will notice it.
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