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47. The train travels at a speed of u = 120 km / h. He whistled a duration τ0 = 5. What will be apparent duration τ whistle for a stationary observer, if: 1) the train approaching it; 2) deleted? Take the speed of sound is 348 m / s.
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- Added to the site 20.10.2015
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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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Solving a problem in physics, section 50, point 47 wave
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