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Mechanical Engineering
A windmill turns a series of slender rods fixed about one end (see formula below). They are initially 2 meters long, and go at a speed of 15 rpm. I suggested making the blades 1m long to reduce the cross-sectional area of the windmill, keeping the mass the same for mechanical stress consistency. How fast are the windmill blades going now, in revolutions per minute?

A windmill turns a series of slender rods fixed about one end (see formula below). They are initially 2 meters long, and go at a speed of 15 rpm. I suggested making the blades 1m long to reduce the cross-sectional area of the windmill, keeping the mass the same for mechanical stress consistency. How fast are the windmill blades going now, in revolutions per minute?

Automotive Technology: A Systems Approach (MindTap Course List)
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter3: Basic Theories And Math
Section: Chapter Questions
Problem 12RQ: Work is calculated by multiplying by.
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A windmill turns a series of slender rods fixed about one end (see formula below). They are initially 2 meters long, and go at a speed of 15 rpm.

I suggested making the blades 1m long to reduce the cross-sectional area of the windmill, keeping the mass the same for mechanical stress consistency.

How fast are the windmill blades going now, in revolutions per minute?

 

1 ML² 3. Iend
Transcribed Image Text:1 ML² 3. Iend
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