Material 1 Has Young's Modulus Y₁ and Density ρ​₁,and Material

question 42

Multiple Choice

Material 1 has Young's modulus Y₁ and density ρ​₁,and material 2 has Young's modulus Y​₂ and density ρ₂.If Y₁ is 30% more than Y​₂ and ρ​₁ is 30% less than ρ₂,which material has the higher speed of sound and how much higher is it?

• A)Material 1 has a speed of sound more than 35% higher than material 2.
• B)Material 1 has a speed of sound 30% higher than material 2.
• C)Material 2 has a speed of sound more than 80% higher than material 1.
• D)Material 2 has a speed of sound 30% higher than material 1.

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