27. An observer standing at the station, heard the horn

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Uploaded: 11.11.2014
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27. An observer standing at the station, heard the horn passing locomotive. When the locomotive is approaching, the frequency of sound vibrations tone is ν1, and when removed - ν2. Assuming that the speed of sound is known, to determine: 1) the speed of electric υist; 2) the natural frequency of oscillation ν0 ring.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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