Answered: a.) For your science exhibit, you want…

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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[Fluid dynamics]

a.) For your science exhibit, you want to make a block of wood float at the interface between a layer of oil of unknown density ?_???, and water (?_????? = 1000 [kg/m^3]) inside a container as shown. What must be the density of the oil so that only 30.0% of the wood is submerged in water?

b.) Water is flowing through a pipeline shown on
the right. The radii of the pipe at points 1 and 2 are
0.500 [m] and 1.50 [m], respectively. The volume flow
rate through the pipeline is 2.50 [L/s]. If the pressure
at point 1 in the pipe is 200 [kPa], what is the pressure
at point 2, located 5.00 [m] above point 1?

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