Task id11972
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- Physics
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DESCRIPTION
Task id11972
When hanging a load weighing 10 kg, a steel string 2 m long with a cross-sectional area of 0.1 mm2 lengthens by 1 cm. The density of the steel is 7.8•103 kg/m3. What is the speed of sound in steel?
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Detailed solution. Format jpg
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