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Recent content by Mush999

  1. M

    Mathematics: Post your doubts here!

    Hello, did anyone else reading this do CIE A/L Mechanics this time ( oct/Nov 2018 42) I'm really scared about the last question (Q7) what did you all get the answer for it? The second part of the question rewarded 7 marks but the workings for it was just in 5 steps. I'm really worried, can...
  2. M

    Mathematics: Post your doubts here!

    Ohhhhh yes! Got it. Thank you!
  3. M

    Mathematics: Post your doubts here!

    Where am I going wrknf in THIS working? I can do by other method and making x subject and get the correct answer but why am i getting wrong answer here?
  4. M

    Physics: Post your doubts here!

    No problem! Q17. Total energy in the fuel 34 × 1.5 × 10^4 = 5.1×10^5kj And it states that 1.5 × 10^4 is vol used per hour So per second second 5.1×10^5/60×60 = 141.67kw So wasted power is 141.67-40= 101.67≈ 102kw
  5. M

    Physics: Post your doubts here!

    PE= KE + PE it has gained a height and also moving after it slides down! PE = KE + PE mgh = 0.5mv^2 + mgh (m is a constant so cancel it out!) gh = 0.5v^2 + gh 9.81*h = 0.5*1.4^2 + 9.81*40*10^-2 h= 0.50//
  6. M

    Physics: Post your doubts here!

    Just the 14th one pls!
  7. M

    Physics: Post your doubts here!

    That's a galvenometer and it a very sensitive device, upto 0.001A Ita resistance is almost negligible! The correct answer is B!
  8. M

    Physics: Post your doubts here!

    Because area under Force extension graph is always the work done in stretch the wire, given no plastic deformation has occurred. If plastic deformation occurs then the area under the graph beyond yield point, is the energy used to permanently deform the wire t Not B because the wire is extended...
  9. M

    Physics: Post your doubts here!

    This equation is not correct I guess, there's no solution. Is there a question about it?
  10. M

    Physics: Post your doubts here!

    thank you!
  11. M

    Physics: Post your doubts here!

    38th question, I'm slightly confused. Can someone help?
  12. M

    Physics: Post your doubts here!

    Thank you so much!!!!! for the three answers, gosh I really need to pay more attention when I do the papers I did not see the word "visible" until now.
  13. M

    Physics: Post your doubts here!

    What do they mean by this?
  14. M

    Physics: Post your doubts here!

    Help pls!!
  15. M

    Physics: Post your doubts here!

    Thank you so much brother!
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