The Density of a Certain Solid Is 7

question 2

Multiple Choice

The density of a certain solid is 7.2 × 10³ kg/m³,and its Young's modulus is 8.0 × 10¹⁰ N/m².What is the speed of sound in this material?

• A) 1.1 × 10⁷ m/s
• B) 5900 m/s
• C) 3700 m/s
• D) 3300 m/s

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