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Solved: A railroad train is traveling at 30.0 m/s in still
Chapter 16, Problem 50E(choose chapter or problem)
A railroad train is traveling at 30.0 m/s in still air. The frequency of the note emitted by the train whistle is 262 Hz. What frequency is heard by a passenger on a train moving in the opposite direction to the first at 18.0 m/s and (a) approaching the first and (b) receding from the first?
Questions & Answers
QUESTION:
A railroad train is traveling at 30.0 m/s in still air. The frequency of the note emitted by the train whistle is 262 Hz. What frequency is heard by a passenger on a train moving in the opposite direction to the first at 18.0 m/s and (a) approaching the first and (b) receding from the first?
ANSWER:Solution 50 E
Step 1 :
In this question we need to find the frequency of the sound heard by the passenger in opposite direction with speed
When he is approaching to first
When he is receding from the first
Data given
Velocity of passenger
Velocity of sound in air is
Velocity of source
Hence we have the velocity of the passenger with respect source