send link to app

The Speed of Sound app for iPhone and iPad


4.4 ( 784 ratings )
Utilities Education
Developer: John Humphries
Free
Current version: 1.0, last update: 7 years ago
First release : 11 Jan 2015
App size: 616 Kb

The Speed of Sound app is perfect for experimentally determining the speed of sound, whether youre in the classroom or watching a baseball game. Just record the scene with your devices camera, import the video into the app, and use the convenient playback feature and slider to advance frame by frame through the scene until you mark the collision. The app will determine the time difference between when the collision displays in the video and when it is heard in the audio. Using both the time difference and the distance you are from the collision, you can experimentally determine the speed of sound.

Icon by Freepik at Flaticon.com (Licensed under CC BY 3.0)