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Consider two concentric cylinders of radius 0.5mand 1m, respectively, and an equal height 1m. Between the cylinders is the same oil in Problem 1, and a laminar unidirectional steady Couette flow can be induced by rotating the cyliners. If the inner cylinder is rotating counterclockwise with an angular velocity , what should be the angular velocity of the outer cyliner to make the flow irrotational? (4 points) \[ \Omega_{0}=\frac{\Omega}{4} \] 32 3. (Continued from Problem 2) If the outer cylinder is fixed (no rotation), what is the torque required to rotate the inner cyliner

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