An idealized velocity field is given by the formula: v=5 t x y i-2 x^{2} y j+x \sin (z) k Is this flow steady or unsteady? two-dimensional or three-dimensional? Compute the total acceleration vector at the point (x,y,z)=(1,-2,0) and t=2. Compute the unit vector in the direction of the acceleration vector at the point (x,y,z)=(1,-2,0) and t=2. d. Compute the component of the acceleration vector in the direction of the velocityvector at the point (x,y,z)=(1,-2,0) and t=2. (Ans. 454.5)

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