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The blades of a large wind turbine, designed E generate electricity, sweep out an area 1400 m and rotate about a horizontal ax which points directly into a wind of spee 15 ms, as illustrated in the diagram.

The blades of a large wind turbine, designed E generate electricity, sweep out an area 1400 m and rotate about a horizontal ax which points directly into a wind of spee 15 ms, as illustrated in the diagram.

Elements Of Electromagnetics
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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A71 The blades of a large wind turbine, designed to generate electricity, sweep out an area of 1400 m and rotate about a horizontal axis which points directly into a wind of speed 15ms, as illustrated in the diagram. 15ms (a) Calculate the mass of air passing per second through the area swept out by the blades. (Take the density of air to be 1.2 kgm) (b) The mean speed of the air on the far side of the blades is reduced to 13 ms". How 1 1
Transcribed Image Text:A71 The blades of a large wind turbine, designed to generate electricity, sweep out an area of 1400 m and rotate about a horizontal axis which points directly into a wind of speed 15ms, as illustrated in the diagram. 15ms (a) Calculate the mass of air passing per second through the area swept out by the blades. (Take the density of air to be 1.2 kgm) (b) The mean speed of the air on the far side of the blades is reduced to 13 ms". How 1 1
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