Find what frequency does the observer receive

Reference no: EM13683950

A light-rail commuter train blows its 200 Hertz horn as it approaches a crossing. The speed of sound is 335 meter per second.

(a) An observer waiting at the crossing receives a frequency of 207 Hertz. Find the speed of the train?

m/s

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

Reference no: EM13683950

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