Question

Which of the following solids will have the highest wave speed?

one that has a high level of stiffness combined with a low density
one that has a low level of stiffness combined with a low density
one that has high level of stiffness combined with a high density
one that has a low level of stiffness combined with a high density

Answer 1

the correct answer is

one that has ahigh level of stiffness combined with a low density..

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