Question: 3. A rod with radius KR moves upward with a constant velocity vo through a cylindrical container of radius R. The liquid circulates inside the

3. A rod with radius KR moves upward with a constant

3. A rod with radius KR moves upward with a constant velocity vo through a cylindrical container of radius R. The liquid circulates inside the annular space, as shown in the figure. Note that there is no net flow rate of liquid in the vertical direction, since the liquid cannot exit the annular space. (a) Find the velocity profile in the liquid, vz(r), neglecting end effects. (b) If the total mass of the moving rod is M, find the vertical force that must be applied to the cylinder to keep it moving at constant velocity. Rod of radius KR moves upward with velocity v Cylinder of length L and inner radius R (with L >>R) ULIU

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