Determining the Speed of Sound

Method 1. Echo

http://www.instructables.com/id/How-to-measure-the-speed-of-sound-with-two-lumps-o/

 

Method 2. Tuning fork and reasonace

http://www.scienceexperiments.tv/video/speed-sound

 

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Standing longituditional waves - Applet

 

 

Method 3. Audacity software and tube

http://www.instructables.com/id/Determine-the-Speed-of-Sound/