Physics, 12.07.2019 01:40, freebyyy7032

Acommuter train blows its 200-hz horn as it approaches a crossing. the speed of sound is 335 m/s. an observer waiting at the crossing receives a frequency of 207 hz. what is the speed of the train?

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Acommuter train blows its 200-hz horn as it approaches a crossing. the speed of sound is 335 m/s. an...