Two trains on separate tracks move toward each other train
Two trains on separate tracks move toward each other. Train 1 has a speed of 129 km/h; train 2 a speed of 75.0 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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two trains on separate tracks move toward each other train 1 has a speed of 129 kmh train 2 a speed of 750 kmh train 2
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