Calculating Velocity and Direction Using the Doppler Effect

In summary, an engineer at an underwater military station uses ultrasound sonar pings with a frequency of 3.75 MHz to listen for submarines. When a second ping returns with a frequency of 3.80 MHz, it indicates that the object is moving. To determine the object's velocity and direction, the engineer can use the doppler effect equation, taking into account relevant equations and constants.
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vishnu manoj
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Homework Statement



An engineer at an underwater military station listens for submarines by sending an ultrasound sonar ping
that has a frequency of 3.75 MHz.

A second ping returns with a frequency of 3.80 MHz, indicating that the object is now moving. What is the
object’s velocity? In which direction is it moving relative to the listening station? Hint: The direction of sound
reverses after the sound reflects off the moving object.
It uses the doppler effect equation. simple yet detailed explanations will be good


The Attempt at a Solution

 
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You have to show an attempt so that we can know how to help. What equations and constants are relevant?
 

Related to Calculating Velocity and Direction Using the Doppler Effect

What is the Doppler effect?

The Doppler effect is a phenomenon that describes the change in frequency of a wave (such as sound or light) when the source of the wave is moving relative to an observer.

How does the Doppler effect affect sound?

The Doppler effect can cause a change in the pitch of sound, making it appear higher or lower depending on whether the source is moving towards or away from the observer. This effect is commonly heard when a siren from an emergency vehicle passes by.

What factors affect the Doppler effect?

The frequency of the wave, the speed of the source, and the speed of the observer are all factors that can affect the Doppler effect. Additionally, the medium through which the wave is traveling can also impact the effect.

Can the Doppler effect be observed in other forms of waves?

Yes, the Doppler effect can be observed in all types of waves, including light waves. This is why we see a shift in the color of stars depending on whether they are moving towards or away from us.

How is the Doppler effect used in real life?

The Doppler effect is used in various fields, such as meteorology, astronomy, and medical imaging. In meteorology, it helps in weather forecasting by measuring the frequency of sound waves to determine the speed and direction of wind. In astronomy, it helps in estimating the distance and speed of celestial objects. In medical imaging, it is used in techniques like ultrasound to create images of organs and tissues inside the body.

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