P19-07: Bow Waves

P19-07: Bow Waves


When the vibration source moves at the same speed as the waves, there is a wall of constructive interference.  When it moves FASTER, there is a triangular shape that forms.  Here's why.

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Not too many other items for this lesson besides my video, but here is a WEBSITE that has an excellent simulation to let you see and hear moving waves.  This will help with the Doppler Effect (VL 19-06) and this one.  Play with it, and you'll see!

Source: Fowler, M. (2009, October 14). The Doppler Effect. Retrieved May 05, 2016, from http://galileo.phys.virginia.edu/classes/109N/more_stuff/flashlets/doppler.htm

Bow Waves