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A. The volume flow rate in an artery supplying the brainis 3.6*10 -6 m3/s. If the radius of theartery is 5.3 mm, determine the average blood speed.

B. Find the avarge blood speed at a constriction in theartery if the constriction reduces the radius by a factor of3. Assume the volume flow rate is the same as in partA.

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