Answered: Stationary surface V= 5 m/s h2…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A thin plate moves between two parallel, horizontal, stationary flat surfaces at a constant velocity of 5 m/s. The two stationary surfaces are spaced 4 cm apart, and the medium between them is filled with oil whose viscosity is 0.9 N⋅s/m². The part of the plate immersed in oil at any given time is 2-m long and 0.5-m wide.If the viscosity of the oil above the moving plate is 4 times that of the oil below the plate, determine the distance of the plate from the bottom surface (h₂) that will minimize the force needed to pull the plate between the two oils at constant velocity.

Stationary surface
V= 5 m/s
h2
Stationary surface

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