Clarify what the boundary conditions were

Reference no: EM137774

Q1. Consider a cylindrical segment of a blood vessel 2.9 cm long and 1.70 mm in diameter. What extra outward force would such a vessel need to withstand in the person's feet compared to an alike vessel in her head?

Q2. The concentration of zinc in a rod of brass is maintained at 10 percent at one end of a rod that is 0.01 m long; the other end is maintained at 0% by vaporizing the Zn as it arrives. At 500°C, the diffusion coefficient of Zn in brass is 4.10-17 m2.s-1. What is the flux of Zn moving down the rod? Write down all your assumptions (hint: you will need to look up the density of copper. You do not need to account for the variation in density with alloy composition). Clarify what the boundary conditions were.

Reference no: EM137774

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