Question: A fluid rests between a fixed plate at the bottom and a movable plate at the top. The distance between plates is 9 mm .

A fluid rests between a fixed plate at the bottom and a movable plate at the top. The distance between plates is 9 mm. When the movable plate moves at a rate of 3.5 m/s, the shear stress that develops between the fluid and the movable plate is estimated to be 232 Pa. Assuming linear velocity profile during the movement of the fluid, with zero velocity at the bottom, what is the absolute viscosity of the fluid?

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