A commuter train blows its 200-hz horn as it approaches a, Ask an Expert

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A commuter train blows its 200-Hz horn as it approaches a crossing. The speed of sound is 335 m/s.

(a) An observer waiting at the crossing receives a frequency of 208 Hz. What is the speed of the train?

(b) What frequency does the observer receive as the train moves away?

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Category:- Physics
Reference No.:- M9894974

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