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July 1, 2015

Homework Help: physics

Posted by Elisa on Wednesday, August 6, 2008 at 12:09am.

A bat flying at 6.00 m/s emits a chirp at 40.0 kHz. If this sound pulse is reflected by an insect moving away from the bat at 2.00 m/s, what is the frequency of the echo received by the bat? Assume the air temperature is 25.0 ˚C.

Would I need two different equations for this? Have no clue how to do, please help!

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