College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Textbook Question
Chapter 17, Problem 75PE
The time delay between transmission and the arrival of the reflected wave of a signal using ultrasound traveling through a piece of fat tissue was 0.13 ms. At what depth did this reflection occur?
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The time delay between the transmission and the arrival of the reflected wave of an ultrasound signal traveling through a region of someone's fat tissue was 0.085 ms. Assume that the speed of sound through human tissues is 1540 m/s.
At what depth, in centimeters, did this reflection occur?
The time delay between transmission and the arrival of the reflected wave of a signal using ultrasound traveling through a piece of fat tissue was 0.131 ms. At what depth did this reflection occur? Assume the speed of ultrasound in fat tissue is 1450 m/s.
A sound wave with intensity 2 x 10 -3 W/m2 is perceived to be modestly loud. Your eardrum is 6 mm in diameter. How much energy will be transferred to your eardrum while listening to this sound for 1 minute?
Chapter 17 Solutions
College Physics
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