Asked by kabelo
two cars are heading at each other with the same speed v. The horn of one (f=3000Hz) is blowing,and is heard to have a frequency of 3400Hz by the people in the other car.Find v if the speed of sound is 344m/s
Answers
Answered by
drwls
Review the formulas presented here:
In your case the source moves the observer AND the observer moves toward the source. The true frequency in still air is fo = 3000. The received frequency is 3400.
The received frequency is
f = fo*(344+V)/(344-V)
(344+V)/(344-V) = f/fo = 11.333
Solve for V
In your case the source moves the observer AND the observer moves toward the source. The true frequency in still air is fo = 3000. The received frequency is 3400.
The received frequency is
f = fo*(344+V)/(344-V)
(344+V)/(344-V) = f/fo = 11.333
Solve for V
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.