A wind turbine has 12,000 kgkg blades that are 40 mm long. The blades spin at 21 rpm.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter13: Rotation Ii: A Conservation Approach
Section: Chapter Questions
Problem 41PQ: Today, waterwheels are not often used to grind food. Instead, we have electrical devices such as...
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A wind turbine has 12,000 kgkg blades that are 40 mm long. The blades spin at 21 rpm.

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