Problem P. 4145. (March 2009)
P. 4145. A passenger train passes a railroad-crossing at a speed of 72 km/h, and it blows a whistle at a frequency of 170 Hz. What is the pitch interval which is sensed by an observer standing next to the railroad-crossing?
(4 pont)
Deadline expired on April 14, 2009.
Statistics:
113 students sent a solution. 4 points: 51 students. 3 points: 19 students. 2 points: 33 students. 1 point: 7 students. 0 point: 1 student. Unfair, not evaluated: 2 solutionss.
Problems in Physics of KöMaL, March 2009