What are two ways in which ultrasound technology produces images?
A. By the absorption of sound waves in the body
B. By measuring the time it takes for reflected sound waves to be
detected
C. By using sound in frequencies that reflect off body tissues
D. By detecting the frequencies of emitted sound waves
Answers: 1
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Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.
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A: all waves on the electromagnetic spectrum travel at the same speed in a vacuum. the speed of these waves in a vacuum is 3x108 m/s. as the wavelength of a wave doubles, how does the speed and frequency of the wave change?
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What are two ways in which ultrasound technology produces images?
A. By the absorption of sound wav...
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