This page contains two short video clips of waves in a ripple tank. One shows ripples from a stationary source that users can analyze to find the frequency and wavelength of the waves. The second video shows the source moving at a constant velocity through the water. An analysis of this movie shows agreem ent with the Doppler formula. LivePhoto Physics uses high-speed DV format videography in which action may be stepped frame-by-frame, enabling easy use of video analysis software. The videos are 10-30 frames in length and may be viewed in step motion or real-time. Position and time data may be measured and collected by using video-analysis tools. SEE RELATED ITEMS ON THIS PAGE for a link to download free Tracker video analysis software. Tracker allows students to not only analyze the video in slow-motion, but also to overlay the videos with dynamical models to see how well the model matches the real world. This video is part of a larger collection of short physics videos developed by the Rochester Institute of Technology Live Photo Physics Project.


  • Education > General

Education Levels:

  • Grade 1
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  • Grade 8
  • Grade 9


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