For a two-dimensional flow, the velocity field is \(\vec u = \frac{x}{{{x^2} + {y^2}}}\hat i + \frac{y}{{{x^2} + {y^2}}}\hat j,\) where î and ĵ are the basis vectors in the x-y Cartesian coordinate system. Identify the CORRECT statements from below.basis vectors in the x-y Cartesian coordinate system. Identify the CORRECT statements from below.1) The flow is incompressible.2) The flow is unsteady.3) y-component of acceleration, \({a_y} = - \frac{y}{{{{\left( {{x^2} + {y^2}} \right)}^2}}}\)4) x-component of acceleration, \({a_x} = \frac{{ - \left( {x + y} \right)}}{{{{\left( {{x^2} + {y^2}} \right)}^2}}}\)

For a two-dimensional flow, the velocity field is \(\vec u = \frac{x}{

1.	For a two-dimensional flow, the velocity field is \(\vec u = \frac{x}{{{x^2} + {y^2}}}\hat i + \frac{y}{{{x^2} + {y^2}}}\hat j,\) where î and ĵ are the basis vectors in the x-y Cartesian coordinate system. Identify the CORRECT statements from below.basis vectors in the x-y Cartesian coordinate system. Identify the CORRECT statements from below.1) The flow is incompressible.2) The flow is unsteady.3) y-component of acceleration, \({a_y} = - \frac{y}{{{{\left( {{x^2} + {y^2}} \right)}^2}}}\)4) x-component of acceleration, \({a_x} = \frac{{ - \left( {x + y} \right)}}{{{{\left( {{x^2} + {y^2}} \right)}^2}}}\)
A.	and 3)
B.	and 3)
C.	and 2)
D.	and 4)
Answer» C. and 2)