Question: A circular disk of diameter d = 9 in is slowly rotated in SAE 3 0 oil at a small distance h = 0 .

A circular disk of diameter d =9in is slowly rotated in SAE 30 oil at a small distance h=0.05in from a fixed surface. Find the angular velocity [rpm] of the of the disk if the shaft records a torque of 2 lb-ft

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