Question

·A medical technician is trying to determine what percentage of a patient's artery is
blocked by plaque. To do this, she measures the blood pressure just before the region
of blockage and finds that it is 1.20 x 10 4 Pa, while in the region of blockage it is 1.15 x
104 Pa. Furthermore, she knows that blood flowing through the normal artery just
before the point of blockage is traveling at 30.0 cm/s, and the density of this patient's
blood is 1060 kg/m 3
. What percentage of the area of the patient's artery is blocked by
the plaque?

Answer 1