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April 18, 2014

Homework Help: PHYSICS ---HELP!

Posted by tiffany on Friday, November 12, 2010 at 9:06am.

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 should the bottle be placed above the needle? Use pblood = 1.05x10^3 and nblood = 4.0x10E-3 Pa*s. Assume the blood pressure is 18 torr above atmospheric pressure.

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