A balloon driven by a 36-km/h wind emits a sound of 800 Hz as it approaches a

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A balloon driven by a 36-km/h wind emits a sound of 800 Hz as it approaches a tall building.

(a) What is the frequency of the sound heard by an observer at the window of this building?

(b) What is the frequency of the reflected sound heard by a person riding in the balloon?

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Fundamentals of Ethics for Scientists and Engineers

ISBN: 978-0195134889

1st Edition

Authors: Edmund G. Seebauer, Robert L. Barry

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Question Posted: Jul 13, 2011 05:21 PM

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A balloon driven by a 36-km/h wind emits a sound of 800 Hz as it approaches a

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Fundamentals of Ethics for Scientists and Engineers

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