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17.7 Exercise 14

Avg difficulty 2.5

Unless otherwise indicated, for problems in this section, assume that the speed of sound through human tissues is 1540 m/s.

(a) How far apart are two layers of tissue that produce echoes having round-trip times (used to measure distances) that differ by 0.750 μs0.750 μs ? (b) What minimum frequency must the ultrasound have to see detail this small?

OpenStax College Physics 2e, 17.7 Ultrasound, exercise 14

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.