)A group of Vestas V-100-1.8 wind turbines can be seen on the drive between Pullman and Spokane (near Rosalia). One is shown in the photo; the length of a blade is ~50m. This windmill stops working at wind speeds greater than 22 mph (9.84 m/s). Assuming this maximum wind speed, an air density of 1.2 kg/m², and that half of the air approaching the circular area spanned by the spinning blades is redirected perpendicularly, calculate the reaction force at the top of the tower.
)A group of Vestas V-100-1.8 wind turbines can be seen on the drive between Pullman and Spokane (near Rosalia). One is shown in the photo; the length of a blade is ~50m. This windmill stops working at wind speeds greater than 22 mph (9.84 m/s). Assuming this maximum wind speed, an air density of 1.2 kg/m², and that half of the air approaching the circular area spanned by the spinning blades is redirected perpendicularly, calculate the reaction force at the top of the tower.
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Transcribed Image Text:)A group of Vestas V-100-1.8 wind turbines can be seen
on the drive between Pullman and Spokane (near Rosalia). One is
shown in the photo; the length of a blade is ~50m. This windmill
stops working at wind speeds greater than 22 mph (9.84 m/s).
Assuming this maximum wind speed, an air density of 1.2 kg/m³, and
that half of the air approaching the circular area spanned by the
spinning blades is redirected perpendicularly, calculate the reaction
force at the top of the tower.
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