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A bat flying towards a wall at 5.3 m/s emits 1. 18.6657 a chirp at 45 kHz. If this sound pulse is reflected by a

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A bat flying towards a wall at 5.3 m/s emits 1. 18.6657 a chirp at 45 kHz. If this sound pulse is reflected by a wall, what is the frequency of the echo received by the bat? The speed of sound is 347 m/s. O 2. 26.194 Answer in units of kHz. 3. 46.396 Answer in units of KHz 4. 38.0756 5. 32.568 6. 51.8298 7. 64.1329 O 8. 17.7467 9. 37.2421 10. 30.6167

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