Find the frequency is heard by a passenger

Reference no: EM13520677

A train is traveling at 30m/s relative to the ground in still air. The frequency of the note emitted by the train whistle is 262Hz. What frequency, (f.approach), is heard by a passenger on a train moving at a speed of 18m/s relative to the ground in a direction opposite to the first train and approaching it?

Reference no: EM13520677

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