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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
A bat emits a sound at a frequency of 39.0 kHz as it approaches a wall. The bat detects beats with a frequency of 827 Hz between the sound it emits and the echo bouncing from the wall. What is the speed of the bat if the speed of sound in air is 343 m/s?
A) 2.7 m/s
B) 3.0 m/s
C) 3.6 m/s
D) 5.4 m/s
E) 9.0 m/s
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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HotMathHotMath
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7 years ago
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Chery Author
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#2
7 years ago
Thanks a million
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