# Problem: The speed of sound cs in a material is given by c s = √ B / ρ, where ρ is the density of the material, with units of kg / m3 , and B is the bulk modulus of the material. The units of B are (m=meter, s=second, kg=kilogram)A. kg2m4 / s2B. kgm5 / s2 C. kg / m2sD. kgm4 / sE. kg / ms 2

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The speed of sound cs in a material is given by c s = √ B / ρ, where ρ is the density of the material, with units of kg / m3 , and B is the bulk modulus of the material. The units of B are (m=meter, s=second, kg=kilogram)

A. kg2m4 / s2

B. kgm5 / s2

C. kg / m2s

D. kgm4 / s

E. kg / ms 2

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