Recent content by FL0R1

  1. FL0R1

    How can I prepare for Physics Olympiad 2018 in the best way?

    You want to the theory or problems for solving?
  2. FL0R1

    B The first light atomic nucleus with a second face

    The first light atomic nucleus with a second face Physicist found the first light atomic nucleus in a lab that had too little resources. http://sciencefeeds.weebly.com/journal/the-first-light-atomic-nucleus-with-a-second-face
  3. FL0R1

    A Integral calculation (Most Difficult Integral)

    Im in high school and we didnt still learned power series, i just wanted a solution for my grade.Sure that i know power series but if i solve it with PS how can classmates understand.
  4. FL0R1

    A Integral calculation (Most Difficult Integral)

    its an undefinite integral..
  5. FL0R1

    A Integral calculation (Most Difficult Integral)

    I putted this in Mathematica program and it didnt gave results, when i put it the program stopped, anyway.This is a indefinite integral and sure that can be found by power series but do anybody know any algebra "trick" that can go to a way. Thanks
  6. FL0R1

    A Integral calculation (Most Difficult Integral)

    Can anybody give me a solution for the integral of [(lnx)/(cosx)]dx?? I would be very gratefully even they do go in a way
  7. FL0R1

    Does viscosity have to do with density?

    Viscosity its related to density so yes they do have a relationship between each other, the fludid have their own viscosity and their own density.. thnx
  8. FL0R1

    Engineering What is salary of an aeronautical engineer?

    it may vary from 80000.0$ - 115000.0$ per year
  9. FL0R1

    Calculus Difference between Calculus 4th edition and Calculus 3rd edi

    They both are good books, but the fourth edition has more examples on problems and gives you the idea on how to solve problems so new editions are good but don't lose the old editions
  10. FL0R1

    Should I memorize all these trigonometric integrals?

    Thats for sure that you have to memorize all the trigonometric integrals formula or you can simply learn the base formula and with some multiplying or substracting it goes to another formula, but if you are in a test memorizing those formulas are a good key for you.
  11. FL0R1

    Proving x ≠ -1/y When x*y ≠ -1

    if x ≠ -1/y then (-1/y)/y ≠ -1 -> here we go that -1 ≠ -1 so its not true
  12. FL0R1

    Can a Sealed Device Increase Weight Continuously in the Direction of Gravity?

    No, what are you saying isn't hard to understand for me but is for others, here i tried to explain in a view of a beginners
  13. FL0R1

    Can a Sealed Device Increase Weight Continuously in the Direction of Gravity?

    Imagine red box as a fully enclosed device powered by electricity.. <-- Electricity. i don't have nothing more to say..
  14. FL0R1

    Can a Sealed Device Increase Weight Continuously in the Direction of Gravity?

    I agree on what you are saying but here we should not mention the e= mc^2 because that's not for electrical energy , are you understaning what i want to sayy. I know that if we put energy its mass goes up , i agree with that.
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