A train on one track moves in the same direction as a second train on the adjacent track. The first train, which is ahead of the second train and moves with a speed of 36.0 m/s , blows a horn whose frequency is 125 Hz. If the frequency heard on the second train is 132 Hz, what is its speed?
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A train on one track moves in the same direction as a second train on the adjacent track. The first...
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