Material 1 has Young's modulus Y1 and density ?1, material 2 has Young's modulus Y2 and density ?2, and material 3 has Young's modulus Y3 and density ?3 . If Y1 > Y2 > Y3 and if ?1 < ?2 < ?3, which material has the highest speed of sound?
a. material 1
b. material 2
c. material 3
d. They could all have equal speeds of sound.
a
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