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17.7 Exercise 18

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.

Ultrasound reflected from an oncoming bloodstream that is moving at 30.0 cm/s is mixed with the original frequency of 2.50 MHz to produce beats. What is the beat frequency? (Assume that the frequency of 2.50 MHz is accurate to seven significant figures.)

OpenStax College Physics 2e, 17.7 Ultrasound, exercise 18

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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.