1.

Consider the continuity equation ( frac{ partial rho}{ partial t}+ nabla.( rho vec{V})=0 ). For an incompressible flow, this equation becomes ___________

A. ( nabla.( rho vec{V})=0 )
B. ( frac{ partial( rho vec{V})}{ partial t}=0 )
C. (div( vec{V})=0 )
D. (div( rho vec{V})=0 )
Answer» D. (div( rho vec{V})=0 )


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