Speed of Sound of approaching train in the rail and in the air
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Have you ever listened for an approaching train by kneeling next to a railroad track and putting your ear to the rail? Young's modulus for steel is Y = 2.00 x 1011 N/m2, and the density of steel is = 7860 kg/m3. On a day when the temperature is 24.1 oC, how many times greater is the speed of sound in the rail than in the air?
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The speed of sound of an approaching train in the rail and in the air are determined.
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Have you ever listened for an approaching train by kneeling next to a railroad track and putting your ear to the rail? Young's modulus for steel is Y = 2.00 x 1011 N/m2, and the density of steel is = 7860 kg/m3. On a day when the temperature is 24.1 oC, ...
Purchase this Solution
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