Finding the speed of an approaching object using the doppler effect and sonar

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SUMMARY

The discussion focuses on calculating the speed of an approaching object using the Doppler effect and sonar. The user is confused about the "double shift" concept, questioning whether to apply a 2% increase towards the object and a 2% decrease from it. The suggested approach involves using two functions, F'=(f+xf) and F'=(f+yf), where the sum of x and y equals 0.04. This method allows for a step-by-step solution to the problem.

PREREQUISITES
  • Understanding of the Doppler effect in physics
  • Familiarity with sonar technology and its applications
  • Basic algebra for manipulating equations
  • Knowledge of frequency shifts in wave mechanics
NEXT STEPS
  • Study the principles of the Doppler effect in detail
  • Learn how to apply sonar technology in real-world scenarios
  • Explore advanced frequency shift calculations
  • Investigate practical applications of the Doppler effect in various fields
USEFUL FOR

Students in physics, engineers working with sonar technology, and anyone interested in wave mechanics and frequency analysis.

jellyman
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Homework Statement


I attatched 2 images, the problem, and my work (including the formula needed)This "double shift" is what's getting me. Is it going 2% towards the object, and 2% from it?

Or I'm I suppose to use 2 functions:F'=(f+xf) and F'=(f+yf) where x + y = 0.04?

Homework Equations


See pic.

The Attempt at a Solution


See pic.
 

Attachments

  • Screenshot from 2012-10-05 23:00:36.jpg
    Screenshot from 2012-10-05 23:00:36.jpg
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    IMG_20121005_232804.jpg
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Do as the hint suggests - in two steps.
 

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