Question: Classify the following flows as one-, two-, or three-dimensional. Sketch a few streamlines for each. (a) Rainwater flow down a wide driveway (b) Flow in

Classify the following flows as one-, two-, or three-dimensional. Sketch a few streamlines for each.

(a) Rainwater flow down a wide driveway

(b) Flow in a straight horizontal pipe

(c) Flow in a straight pipe inclined upward at a \(45^{\circ}\) angle

(d) Flow in a long pipe that follows the ground in hilly country

(e) Flow over an airplane

(f) Wind blowing past a tall telephone

(g) Flow in the impeller of a centrifugal pump

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