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Consider a velocity vector, V in (x, y, z) coordinates given below. Pick one or more CORRECT statement(s) from the choices given below.
V = ux̂ + vŷ
- z-component of Curl of velocity: ∇ × V = ((∂ v)/(∂ x) - (∂ u)/(∂ y))ẑ
- z-component of Curl of velocity: ∇ × V = ((∂ u)/(∂ x) - (∂ v)/(∂ y))ẑ
- Divergence of velocity: ∇ · V = ((∂ u)/(∂ x) + (∂ v)/(∂ y))
- Divergence of velocity: ∇ · V = ((∂ u)/(∂ y) + (∂ v)/(∂ x))
Correct answer: z-component of Curl of velocity: ∇ × V = ((∂ v)/(∂ x) - (∂ u)/(∂ y))ẑ
Solution
The correct option accurately represents the z-component of the curl of a two-dimensional velocity vector field, which is defined as the difference between the partial derivative of the y-component with respect to x and the partial derivative of the x-component with respect to y.
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