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OpenStudy (anonymous):
Through which one of the following mediums is the velocity of a sound wave the greatest? A. Water B. Air C. Steel D. Lead
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OpenStudy (brrandyn):
The velocity of sound waves are greatest in a solid medium, or rather, how closely molecules are packed. Therefore, when contrasting between steel and lead, use density to determine the answer. Steel = ~7.85 g/cm³ Lead = ~11.34 g/cm³ The answer is: "D. Lead"
OpenStudy (anonymous):
the answer was actually steel
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