A commuter train passes a passenger platform at a constant speed of 40.0 m/s. The train horn is sounded at its frequency of 320 Hz. What wavelength is detected by a person on the platform as the train approaches?
Answers
Answered by
0
For the person standing on the platform, more wavefronts are arriving ... detect sound of a shorter wavelength and higher frequency. ... λobs=(343.7−40)320= 0.949m.
Similar questions