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14.7 Exercise 28

Avg difficulty 2.5

The flow rate of blood through a 2.00×10−6m2.00 \times 10^{−6} \text{m}-radius capillary is 3.80×10–9cm3/s3.80 \times 10^{–9} \text{cm}^{3} /\text{s}. (a) What is the speed of the blood flow? (b) Assuming all the blood in the body passes through capillaries, how many of them must there be to carry a total flow of 90.0cm3/s90.0 \text{cm}^{3} /\text{s} ?

OpenStax University Physics Volume 1, 14.7 Viscosity and Turbulence, exercise 28

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.