Задача 40296.

A train passes by a stationary electric locomotive, the whistle of which gives a signal with a frequency of 300 Hz, at a speed of U = 40 m/s. What is the apparent frequency of the tone for the passenger when the train is approaching the electric locomotive and when it is moving away from it?

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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