Question
A car drives at a speed of 28m/s along a road parallel to a railroad track. A train traveling at 15m/s sounds a horn that vibrates at 300 Hz.
If the train and car are moving toward each other, what frequency of sound is heard by a person in the car?
If the train and car are moving away from each other, what frequency of sound is heard in the car?
If the train and car are moving toward each other, what frequency of sound is heard by a person in the car?
If the train and car are moving away from each other, what frequency of sound is heard in the car?
Answers
bobpursley
Isn't there a standard formula for this?
https://www.google.com/search?q=doppler+formula&ie=utf-8&oe=utf-8
https://www.google.com/search?q=doppler+formula&ie=utf-8&oe=utf-8