a 262 Hz whistle? A train traveling at 30 m/s emits sound from a 262 Hz whistle. What frequency is heard by a passenger on another train approaching the first train at 18 m/s?
a 262 Hz whistle? A train traveling at 30 m/s emits sound from a 262 Hz whistle. What frequency is heard by a passenger on another train approaching the first train at 18 m/s?
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