A plate of area 2.15 m is pulled with a speed of 0.3 m/s relative to another plate located at 3.5 mm from it. Find the force and power required to maintain this speed, if the fluid separating them is having viscosity as 500 poise.

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Answered: A plate of area 2.15 m is pulled with a…

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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2. If the viscosity of water at 70 °C is 0.00402 poise and its specific gravity is 0.978 determine its absolute viscosity in Pa-s and its kinematic viscosity in m?/s and in stokes
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1 (a) A plate 0.05mm distant from a fixed plate moves at 1.15 m/s and required a force per unit area of 3.2 N/m? to maintain this speed with using an oil of specific gravity 0.8. Find the dynamic viscosity and kinematic viscosity of the fluid between the plates. 1 (b) Calculate the specific weight, density, and the specific gravity of a liquid having a volume of 663050 cm and weight of 67 kN (ENTER ONLY THE VALUES BY REFERRING THE UNITS GIVEN) 1 (a) The dynamic viscosity of the fluid (in Centipoise) The kinematic viscosity of the fluid (in stokes) 1 (b) Specific Weight in (kN/m³) Density of liquid (in kg/m³) Specific gravity of liquid
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Problem 3: A honeybee farmer wants to measure the absolute viscosity of his honey. You suggest dropping a 4mm steel ball into a container of honey and measure the time it takes for the ball to pass between two marks as shown. If the time is 13 seconds, what is the honey's viscosity. Assume the density of the honey is 1450 kg/m3 and the density of the steel ball is 7800 kg/m³. Honey 5 cm
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