Question: Two trains on separate tracks move toward each other. Train 1 has a speed of 1 4 8 km / h; train 2 , a

Two trains on separate tracks move toward each other. Train 1 has a speed of 148 km/h; train 2, a speed of 86.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1?

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