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April 18, 2014

Homework Help: Physics

Posted by Dee on Tuesday, November 30, 2010 at 6:27pm.

A bat emits a chirping sound of frequency 67.0 Hz while moth hunting. The chirp lasts for 1.0 ms and then is silent. The beginning of the echo returns just after the outgoing chirp is finished - how close to the moth is the bat? Assume a cool night with air temperature of 10 degrees .

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