The three workers who use technologies that apply the Doppler effect are an ultrasound technician, a race-car mechanic, and a pilot who needs to avoid bad weather.
What is the Doppler effect?
A sudden change in the frequency due to the distance between the objects and source is explained by the doppler effect.
As the source and observer travel toward each other, the frequency of sound, light, or other waves increases or decreases.
A passing siren's rapid change in pitch, as well as astronomers' redshift, are both caused by this phenomenon.
Applications of the doppler effect;
In various forms of radar, the Doppler effect is utilized to determine the velocity of observed objects.
As it approaches or recedes from the radar source, a radar beam is fired at a moving target. such as an automobile, as police employ radar to identify speeding motorists.
The three workers use technologies that apply the Doppler effect are;
A. An ultrasound technician
C. A race-car mechanic
D. A pilot who needs to avoid bad weather
Hence the three correct options are A, C, and D.
To learn more about the doppler effect refer to the link;
https://brainly.com/question/15318474
