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Sarahisme

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Everything posted by Sarahisme

  1. hmm i see, yeah that makes sense geometrically as well now i think, thanks DQW
  2. ok thanks guys oh, one other thing, the centre of convergence is at x = 0, isnt it? because that where the orginally summation is 0 (if you put x = 0 into it)
  3. my solution:
  4. well heres a small problem, do you think i have a reasonable esimate/answer ? Cheers -Sarah
  5. my quesion, is whether i should use this equation (radiation one): but i can't see how i would exactly...hmmm , anyways yep thats all guys
  6. this is my solution
  7. hey i just wanted to check if i was going the right way about doing this question i am not sure whether, after what i have already done here, i should then use the radiation equation (the rate at which any object radiates heat) anyway, here is the problem and my answer
  8. ahh i understand what you are saying, but the latex stuff is not showing up, give me a day or so to try and fix it, sorry....thanks for explaining this though
  9. oh and thanks dave too!
  10. great! thanks everyone!
  11. lol thanks, but is it correct?
  12. hey i can't decide whether the answer to quesion 39.3 should be the same as 39.2 (b) or © i gather its © because from the pions view (in the pions inertial reference frame), the time elapsed is 2.6x10^-8 s , and so it would be (.85c)(2.6x10^-8) = 6.6m
  13. i think i've got this latex stuff working (i say i think, because it is not showing up on my computer as usual ) oh and yeah i would be happy to learn about the geometry of this problem if you are not yet sick of me
  14. [imath] e^{900}-3\Pi\mathcal{12213\varphi} [/imath]
  15. lol ok i see, thanks for all your help DQW! it is really really appreciated!
  16. ok is this to do with the roots being on a circle or something like that? also the question says "be sure to prove your answer" , i gather i have, but it didnt feel very 'proof like', if you know what i mean
  17. lol,, oh oooo...
  18. one more time now! :
  19. ahh lol i keep thinking in terms of normal exponential functions! wait a sec i'll just do somem more working
  20. ok hold on....: here we go i think i fixed it...
  21. you mean sub in z = a^{1/n}? that doesnt seem to simplify it much "PS : You have no idea how much nicer it looks to see all the steps in there, following logically from each other ! " thanks
  22. nuclear weapons are the most disgusting thing man has ever invented!
  23. okay this is where i gotten to now:
  24. hey i am back again!
  25. right right so i was on the right track? yay! ok be back in an hour, sorry again
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