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# Answer to Question #20380 in Electric Circuits for uyuyuyuy

Question #20380
compute the average velocity of the blood in the aorta of radius 1 cm if the flow rate is 5 liter/min
Expert's answer
compute the average velocity of the blood in the aorta of radius 1 cm if the flow rate is 5 liter/min

The area of the cross-section of the aorta of radius 1 cm is

S = &pi;&middot;(1[cm])&sup2; = &pi;[cm&sup2;].

We&#039;ll take into account that

5[l] = 5&middot;10&sup3;[cm&sup3;].

Therefore, the flow rate is

F = 5[l/min] = 5&middot;10&sup3;[cm&sup3;/min]

and so the average velocity of the blood is

V = F/S = 5&middot;10&sup3;[cm&sup3;/min] / (&pi;[cm&sup2;]) &asymp; 1591.55 [cm/min].

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