A blood transfusion is being set up in an emergency room
Chapter , Problem 80(choose chapter or problem)
A blood transfusion is being set up in an emergency room for an accident victim. Blood has a density of 1060 kg/m3 and a viscosity of 4.0 3 1023 Pa ?s. The needle being used has a length of 3.0 cm and an inner radius of 0.25 mm. The doctor wishes to use a volume fl ow rate through the needle of 4.5 3 1028 m3 /s. What is the distance h above the victims arm where the level of the blood in the transfusion bottle should be located? As an approximation, assume that the level of the blood in the transfusion bottle and the point where the needle enters the vein in the arm have the same pressure of one atmosphere. (In reality, the pressure in the vein is slightly above atmospheric pressure.)
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