Which of the variables in the equation ( rho frac{Du}{Dt}=- frac{ par – McqOptions

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1.	Which of the variables in the equation ( rho frac{Du}{Dt}=- frac{ partial p}{ partial x}+ frac{ partial tau_{xx}}{ partial x}+ frac{ partial tau_{yx}}{ partial y}+ frac{ partial tau_{zx}}{ partial z}+ rho f_x ) will become zero for formulating Euler equation?
A.	f<sub>x</sub>, <sub>yx</sub>, <sub>zx</sub>
B.	<sub>xx</sub>, <sub>yx</sub>, u
C.	<sub>xx</sub>, <sub>yx</sub>, <sub>zx</sub>
D.	<sub>xx</sub>, p, <sub>zx</sub>
Answer» D. <sub>xx</sub>, p, <sub>zx</sub>

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