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The figure above shows a transmitter and a receiver of sound waves contained in a single instrument. It is used to measure the speed u of a target object (idealized as a flat plate) that is moving directly toward the unit, by analyzing the waves reflected from the target. Show that the frequency f. of the reflected waves at the receiver is related to their source frequency f, by V + u f, = fs V where v is the speed of the waves. In great many practical situations, u << v. In that case, show that the equation above becomes: f,-ts 2u V In medical diagnosis using ultrasound it is said " For every mm per second that a structure in the body moves, the incident ultrasound wave is shifted by approximately 1.30 Hz per MHz". What speed of the ultrasound waves in the tissue do you deduce from thi

The figure above shows a transmitter and a receiver of sound waves contained in a single instrument. It is used to measure the speed u of a target object (idealized as a flat plate) that is moving directly toward the unit, by analyzing the waves reflected from the target. Show that the frequency f. of the reflected waves at the receiver is related to their source frequency f, by V + u f, = fs V where v is the speed of the waves. In great many practical situations, u << v. In that case, show that the equation above becomes: f,-ts 2u V In medical diagnosis using ultrasound it is said " For every mm per second that a structure in the body moves, the incident ultrasound wave is shifted by approximately 1.30 Hz per MHz". What speed of the ultrasound waves in the tissue do you deduce from thi

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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R The figure above shows a transmitter and a receiver of sound waves contained in a single instrument. It is used to measure the speed u of a target object (idealized as a flat plate) that is moving directly toward the unit, by analyzing the waves reflected from the target. Show that the frequency f. of the reflected waves at the receiver is related to their source frequency f, by V + u f, f, V -u where v is the speed of the waves. In great many practical situations, u << v. In that case, show that the equation above becomes: f,-f, 2u f. V IS In medical diagnosis using ultrasound it is said " For every mm per second that a structure in the body moves, the incident ultrasound wave is shifted by approximately 1.30 Hz per MHz". What speed of the ultrasound waves in the tissue do you deduce from this statement?
Transcribed Image Text:R The figure above shows a transmitter and a receiver of sound waves contained in a single instrument. It is used to measure the speed u of a target object (idealized as a flat plate) that is moving directly toward the unit, by analyzing the waves reflected from the target. Show that the frequency f. of the reflected waves at the receiver is related to their source frequency f, by V + u f, f, V -u where v is the speed of the waves. In great many practical situations, u << v. In that case, show that the equation above becomes: f,-f, 2u f. V IS In medical diagnosis using ultrasound it is said " For every mm per second that a structure in the body moves, the incident ultrasound wave is shifted by approximately 1.30 Hz per MHz". What speed of the ultrasound waves in the tissue do you deduce from this statement?
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