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July 28, 2015

Homework Help: physics

Posted by ashley on Thursday, November 11, 2010 at 5:15pm.

A patient is to be given a blood transfusion. The blood is to flow through a tube from a raised bottle to a needle inserted in the vein . The inside diameter of the 4.8 cm long needle is 0.48 mm, and the required flow rate is 4.9 cm^3 of blood per minute. How high h should the bottle be placed above the needle? Use Pblood}=1.05 *10^-3 kg/m^3, Tblood}=4.0 * 10^{-3}Pa\s. Assume the blood pressure is 18 torr above atmospheric pressure.

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