Two trains are on parallel tracks both traveling east, with train 1 ahead of train 2. Train 1 is traveling at 15.0 m/sec

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Two trains are on parallel tracks both traveling east, with train 1 ahead of train 2. Train 1 is traveling at 15.0 m/sec

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Two trains are on parallel tracks both traveling east, withtrain 1 ahead of train 2. Train 1 is traveling at 15.0 m/sec andblows a horn whose frequency is 192 Hz. If the frequency heard onthe second train from horn 1 is 203 Hz, what is the speed of thesecond train?
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