An observer standing at a station hears the whistle of a passing electric locomotive. When the electric locomotive approaches, the frequency of the sound vibrations of the whistle is v1, and when it moves away, it is v2. Assuming that the speed of sound is known, determine: 1) the speed of the electric locomotive; 2) natural frequency v0 of horn oscillations.
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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