Homework Help: physics

Posted by lucy on Tuesday, May 22, 2012 at 1:06am.

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?

physics - Henry, Thursday, May 24, 2012 at 6:45pm
See 5-22-12, 12:50 am post.

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