A car is on a road parallel to a railroad track and right beside it. The car is travelling east
at 30.0 m/s while a train travelling west at 50.0 m/s is approaching it. If the car honks its
horn at a frequency of 1.00 kHz, what is the wavelength of the sound perceived by a person
riding in the train?
(a) 0.235 m
(b) 0.275 m
(c) 0.294 m
(d) 0.313 m
(e) 0.344 m
the answer is 0.313m someone explain to me how to get 0.313m I can only get 0.273m
Answers: 2
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A car is on a road parallel to a railroad track and right beside it. The car is travelling east
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