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July 31, 2014

Homework Help: Physics

Posted by carly on Tuesday, May 22, 2012 at 12:50am.

For long range communication an elephant uses a low frequency rumble that is undetectable to human ears. One elephant can pick up another elephant's call from a distance of 10 km. The frequency of this rumble is about 13 Hz. How fast does the rumble travel?

my teacher said the answer is 769.2 m/s im confused and have a test tomorrow.:(

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