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A. ∂u/∂x = 0
B. ∂(ρu)/∂x = 0
C. (∂u/∂x) = – (∂ρ/∂t)
D. ∂ρ/∂t = 0

Correct Answer: ∂u/∂x = 0

Last Updated: March 10, 2019