Which of the following is not an application of doppler technology? police speed guns weather radar ultrasound imaging of the liver determining the motion of a star

ultrasound imaging of the liver.

Explanation:

Liver ultrasound is not an application of the Doppler effect. The use of ultrasound is more common in medicine, for example, during pregnancy.

Another application in medicine is with the movement of blood. It is a flowmeter which allows the blood flow to be discovered through the Doppler effect, since a sound wave affects the red blood cells that are in motion inside the vessel and collect the echo signal.

newton's first law of motion

small = small current large mag large current