The velocity components of a two-dimensional plane motion of a fluid with constant density are u = 2x - x2y and v = xy2 - 2y. Which of the following is the correct statement?
1
The fluid is incompressible and flow is unsteady.
2
The fluid is incompressible and flow is steady.
3
The fluid is compressible and flow is unsteady.
4
The fluid is compressible and flow is steady.