Problem about Doppler effect

  • Thread starter m.medhat
  • Start date
  • #1
37
0

Homework Statement


a train moves with uniform velocity . its horn is with a definite frequency . then if the frequency that a man in the station had heard is changed from 5400 Hz to 4500 Hz . calculate :-
1- velocity of train.
2- the real frequency of the source .
let the velocity of sound in air = 330 m/s .


Homework Equations





The Attempt at a Solution


f'/f = v/(v+vs)
vs = velocity of train = 63 m/s .
is that solution is true ?
and i can't solve or understand the second item of my problem .
please i want a help .
 

Answers and Replies

Related Threads on Problem about Doppler effect

  • Last Post
Replies
0
Views
1K
  • Last Post
Replies
2
Views
1K
  • Last Post
Replies
1
Views
3K
  • Last Post
Replies
6
Views
2K
  • Last Post
Replies
1
Views
3K
  • Last Post
Replies
8
Views
1K
  • Last Post
Replies
0
Views
2K
  • Last Post
Replies
0
Views
3K
  • Last Post
Replies
5
Views
2K
  • Last Post
Replies
1
Views
341
Top