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Homework Help: Diffusion of Fick's Law and Young's modulous

  1. Dec 16, 2012 #1
    1. The problem statement, all variables and given/known data

    Calculate the time needed for a perfectly spherical balloon with rahis R to reduce its volume to R/2 due to diffusion by applying Fick's law of diffusion. Assuming the young modulus of balloon is E and the gas filled is nitrogen. diffusion constant of nitrogen is D.

    Please help me
  2. jcsd
  3. Dec 17, 2012 #2


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    Science Advisor
    Homework Helper

    hi yeung2743! :wink:

    show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:

    (start by writing out Fick's law of diffusion)
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