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  3. problem 13 determine the torque required rotating a 50 mm...

Question: problem 13 determine the torque required rotating a 50 mm...

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Problem 1.3 Determine the torque required rotating a 50 mm diameter vertical cylinder at a constant angular velocity of 30 rad/s inside a fixed outer cylinder that has a diameter of 50.2 mm. the length of the cylinders is 200 mm. The gap between the cylinders is filled with oil that has a viscosity of 0.01 Pa- sec.
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