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Problem 4: Modern wind turbines generate electricity from wind power. The large, massive blades have a large moment of inertia and carry a great amount of angular momentum when rotating. A wind turbine has a total of 3 blades. Each blade has a mass of m = 5500 kg distributed uniformly along its length and extends a distance r= 46 m from the center of rotation. The turbine rotates with a frequency of f = 14 rpm.

Problem 4: Modern wind turbines generate electricity from wind power. The large, massive blades have a large moment of inertia and carry a great amount of angular momentum when rotating. A wind turbine has a total of 3 blades. Each blade has a mass of m = 5500 kg distributed uniformly along its length and extends a distance r= 46 m from the center of rotation. The turbine rotates with a frequency of f = 14 rpm.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Problem 4: Modern wind turbines generate electricity from wind power. The large, massive blades have a large moment of inertia and carry a great amount of angular momentum when rotating. A wind turbine has a total of 3 blades. Each blade has a mass of m = 5500 kg distributed uniformly along its length and extends a distance r = 46 m from the center of rotation. The turbine rotates with a frequency of f =14 rpm. in terms of the defined quantities. Part (a) Enter an expression for the total moment of inertia of the wind turbine about its axis of rotation Expression : I = Select from the variables below to write your expression. Note that all variables may not be required. a., B, 0, a, b, d, g, h, j, k, m, P,r, S, t Part (b) Calculate the total moment of inertia of the wind turbine about its axis, in units of kilogram meters squared. Numeric : A numeric value is expected and not an expression. I = Part (c) Enter an expression for the angular momentum of the wind turbine, in terms of the defined quantities. Expression : L = Select from the variables below to write your expression. Note that all variables may not be required. a., B, n, 0, a, d, f, g, h, j, k, m, P, r, t Part (d) Calculate the angular momentum of the wind turbine, in units of kilogram meters squared per second. Numeric : A numeric value is expected and not an expression. L =
Transcribed Image Text:Problem 4: Modern wind turbines generate electricity from wind power. The large, massive blades have a large moment of inertia and carry a great amount of angular momentum when rotating. A wind turbine has a total of 3 blades. Each blade has a mass of m = 5500 kg distributed uniformly along its length and extends a distance r = 46 m from the center of rotation. The turbine rotates with a frequency of f =14 rpm. in terms of the defined quantities. Part (a) Enter an expression for the total moment of inertia of the wind turbine about its axis of rotation Expression : I = Select from the variables below to write your expression. Note that all variables may not be required. a., B, 0, a, b, d, g, h, j, k, m, P,r, S, t Part (b) Calculate the total moment of inertia of the wind turbine about its axis, in units of kilogram meters squared. Numeric : A numeric value is expected and not an expression. I = Part (c) Enter an expression for the angular momentum of the wind turbine, in terms of the defined quantities. Expression : L = Select from the variables below to write your expression. Note that all variables may not be required. a., B, n, 0, a, d, f, g, h, j, k, m, P, r, t Part (d) Calculate the angular momentum of the wind turbine, in units of kilogram meters squared per second. Numeric : A numeric value is expected and not an expression. L =
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