Question $3$:

Given Eularian velocity field:

vec$(V)=3y^2$hat$()+2$xhat$()+0$hat$(k)(2-D)$

The flow is;

a$)$ steady or unsteady?

b$)$ uniform or nonuniform?

c$)$ potential or not?

d$)$ what is the acceleration vector at $(2,1,0)?$