the Rochester Institute of Technology
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.
Please note that this resource requires
%0 Electronic Source %D January 8, 2008 %T LivePhoto Physics: Ripple Tank - Moving Source %E Teese, Robert %I Rochester Institute of Technology %V 2015 %N 1 April 2015 %8 January 8, 2008 %9 video/quicktime %U http://livephoto.rit.edu/LPVideos/ripple/
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This is the web site to obtain a free download of Tracker Video Analysis software, a tool to analyze video clips frame-by-frame and also combine the videos with computer-generated dynamical models. Full instructions for use in the classroom are included.