Physics, 06.03.2021 01:00, lemoinedegraw
What are two ways in which ultrasound technology produces images?
O A. By measuring the time it takes for reflected sound waves to be
detected
B. By the absorption of sound waves in the body
C. By using sound in frequencies that reflect off body tissues
D. By detecting the frequencies of emitted sound waves
Answers: 3
Physics, 22.06.2019 09:30, tsvijay121
Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
Answers: 3
Physics, 22.06.2019 23:00, Miguel1310
According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring
Answers: 1
What are two ways in which ultrasound technology produces images?
O A. By measuring the time it tak...
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