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A train whistle is heard at 340 hz as the train approaches

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Reference no: EM13703466

A train whistle is heard at 340 Hz as the train approaches town. The train cuts its speed in half as it nears the station, and the sound of the whistle is then 330 Hz.

What is the speed of the train before slowing down?
What is the speed of the train after slowing down?

Reference no: EM13703466

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