doppler effect to measure speed - Search
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  1. Copilot Answer
    Phys 101 lo5 doppler effect
    Organizing and summarizing search results for you
    • Ultrasound: Ultrasound waves reflected from blood in arteries can determine velocity.
    • Radar: Radar devices use the Doppler effect to measure the speed of vehicles by emitting electromagnetic waves that are reflected by the vehicles.
    • Astronomy: The velocities of distant galaxies are measured using the Doppler effect (the red shift).

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    The University of Virginia
    https://galileo.phys.virginia.edu/classes/152.mf1i.spring02/DopplerEffect.htm
    The Doppler Effect - University of Virginia
    The effect was first noted by Christian Doppler in 1842. The effect is widely used to measure velocities, usually by reflection of a transmitted wave from the moving object, ultras…
    OpenStax
    https://openstax.org/books/university-physics-volume-1/pages/17-7-the-doppler-effect
    17.7 The Doppler Effect - University Physics Volume 1 - OpenStax
    The Doppler effect occurs not only for sound, but for any wave when there is relative motion between the observer and the source. Doppler shifts occur in the frequency of sound, li…
    HowStuffWorks
    https://science.howstuffworks.com/science-vs-myth/everyday-myths/doppler-effect.htm
    How the Doppler Effect Works - HowStuffWorks
    In all of these applications, the same basic thing is happening: A stationary transmitter shoots waves at a moving object. The waves hit the object and bounce back. The transmitter…
    Optomet
    https://www.optomet.com/knowledge-technology/doppler-effect/
    The Doppler effect: Physics and Applications - Optomet
    This is used by the traffic police, among others, where radar devices use the Doppler effect to measure the speed of vehicles. These devices emit electromagnetic waves that are ref…
    MIT - Massachusetts Institute of Technology
    https://news.mit.edu/2010/explained-doppler-0803
    Explained: the Doppler effect - MIT News
    Police also rely on the Doppler effect when they use a radar gun to bounce radio beams off of your car; the change in frequency between the directed and reflected beams provides a …
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