An idealized velocity fi eld is given by the formula
V =4txi -2t2yj + 4xzk
Is this flow fi eld steady or unsteady? Is it two- or threedimensional?
At the point ( x , y , z ) = ( - 1, 1, 0), compute
( a ) the acceleration vector and ( b ) any unit vector normal to
the acceleration.

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Fluid Mechanics

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