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Part A U₁ = Submit Each blade on a wind turbine is engineered to produce an effective force through its center of mass that is perpendicular to its long axis. (Figure 1) The magnitude of the force produced by each blade in a wind of speed vis F = (40.0 kg/s)v. If the center of mass of each blade is r = 10.2 m, what is U₁, the total work done by the wind turbine's blades, in a wind of speed v = 7.35 m/s after 10 revolutions? Express your answer numerically in joules to three significant figures. ► View Available Hint(s) Part B 15. ΑΣΦ ↓↑ vec X Incorrect; Try Again Previous Answers n = F 5 ΑΣΦ F vec ? A brake system is tested by rotating a tire and measuring the number of rotations required for the brake system to bring the tire to a stop. (Figure 2) The tire's radius is R = 50.0 cm and the brake system's radius is r= 19.3 cm. A moment of M = 13.8 N.m is applied to the tire for 5 rotations before the brake system is applied. The brake system is composed of two pads that are pushed out against the drum with a force that increases as the tire rotates and is described by F= (10.00) N. If the coefficient of kinetic friction between the brake pads and the outer ring of the brake system is k = 0.550, how many rotations, n, will the tire go through before coming to a stop? Express your answer numerically to three significant figures. ► View Available Hint(s) F ? J

Part A U₁ = Submit Each blade on a wind turbine is engineered to produce an effective force through its center of mass that is perpendicular to its long axis. (Figure 1) The magnitude of the force produced by each blade in a wind of speed vis F = (40.0 kg/s)v. If the center of mass of each blade is r = 10.2 m, what is U₁, the total work done by the wind turbine's blades, in a wind of speed v = 7.35 m/s after 10 revolutions? Express your answer numerically in joules to three significant figures. ► View Available Hint(s) Part B 15. ΑΣΦ ↓↑ vec X Incorrect; Try Again Previous Answers n = F 5 ΑΣΦ F vec ? A brake system is tested by rotating a tire and measuring the number of rotations required for the brake system to bring the tire to a stop. (Figure 2) The tire's radius is R = 50.0 cm and the brake system's radius is r= 19.3 cm. A moment of M = 13.8 N.m is applied to the tire for 5 rotations before the brake system is applied. The brake system is composed of two pads that are pushed out against the drum with a force that increases as the tire rotates and is described by F= (10.00) N. If the coefficient of kinetic friction between the brake pads and the outer ring of the brake system is k = 0.550, how many rotations, n, will the tire go through before coming to a stop? Express your answer numerically to three significant figures. ► View Available Hint(s) F ? J

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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Part A U1 = Submit Each blade on a wind turbine is engineered to produce an effective force through its center of mass that is perpendicular to its long axis. (Figure 1) The magnitude of the force produced by each blade in a wind of speed v is F = (40.0 kg/s)v. If the center of mass of each blade is r = 10.2 m, what is U₁, the total work done by the wind turbine's blades, in a wind of speed v = 7.35 m/s after 10 revolutions? Express your answer numerically in joules to three significant figures. ► View Available Hint(s) Part B V ΑΣΦΗ n = Previous Answers Incorrect; Try Again – ΑΣΦ | 1 vec F vec Submit Previous Answers F A brake system is tested by rotating a tire and measuring the number of rotations required for the brake system to bring the tire to a stop. (Figure 2) The tire's radius is R = 50.0 cm and the brake system's radius is r= 19.3 cm. A moment of M = 13.8 Nm is applied to the tire for 5 rotations before the brake system is applied. The brake system is composed of two pads that are pushed out against the drum with a force that increases as the tire rotates and is described by F = (10.00) N. If the coefficient of kinetic friction between the brake pads and the outer ring of the brake system is k = 0.550, how many rotations, n, will the tire go through before coming to a stop? Express your answer numerically to three significant figures. ► View Available Hint(s) ? F ? J
Transcribed Image Text:Part A U1 = Submit Each blade on a wind turbine is engineered to produce an effective force through its center of mass that is perpendicular to its long axis. (Figure 1) The magnitude of the force produced by each blade in a wind of speed v is F = (40.0 kg/s)v. If the center of mass of each blade is r = 10.2 m, what is U₁, the total work done by the wind turbine's blades, in a wind of speed v = 7.35 m/s after 10 revolutions? Express your answer numerically in joules to three significant figures. ► View Available Hint(s) Part B V ΑΣΦΗ n = Previous Answers Incorrect; Try Again – ΑΣΦ | 1 vec F vec Submit Previous Answers F A brake system is tested by rotating a tire and measuring the number of rotations required for the brake system to bring the tire to a stop. (Figure 2) The tire's radius is R = 50.0 cm and the brake system's radius is r= 19.3 cm. A moment of M = 13.8 Nm is applied to the tire for 5 rotations before the brake system is applied. The brake system is composed of two pads that are pushed out against the drum with a force that increases as the tire rotates and is described by F = (10.00) N. If the coefficient of kinetic friction between the brake pads and the outer ring of the brake system is k = 0.550, how many rotations, n, will the tire go through before coming to a stop? Express your answer numerically to three significant figures. ► View Available Hint(s) ? F ? J
Part A U1 = Submit Each blade on a wind turbine is engineered to produce an effective force through its center of mass that is perpendicular to its long axis. (Figure 1) The magnitude of the force produced by each blade in a wind of speed vis F = (40.0 kg/s) v. If the center of mass of each blade is r = 10.2 m, what is U₁, the total work done by the wind turbine's blades, in a wind of speed v = 7.35 m/s after 10 revolutions? Express your answer numerically in joules to three significant figures. ► View Available Hint(s) Part B X Incorrect; Try Again —| ΑΣΦ n = Previous Answers Submit M tire Previous Answers vec brake pads VE ΑΣΦ ↓↑ vec A brake system is tested by rotating a tire and measuring the number of rotations required for the brake system to bring the tire to a stop. (Figure 2) The tire's radius is R = 50.0 cm and the brake system's radius is r = 19.3 cm. A moment of M = 13.8 Nm is applied to the tire for 5 rotations before the brake system is applied. The brake system is composed of two pads that are pushed out against the drum with a force that increases as the tire rotates and is described by F = (10.00) N. If the coefficient of kinetic friction between the brake pads and the outer ring of the brake system is k = 0.550, how many rotations, n, will the tire go through before coming to a stop? Express your answer numerically to three significant figures. ► View Available Hint(s) ? drum w ? J
Transcribed Image Text:Part A U1 = Submit Each blade on a wind turbine is engineered to produce an effective force through its center of mass that is perpendicular to its long axis. (Figure 1) The magnitude of the force produced by each blade in a wind of speed vis F = (40.0 kg/s) v. If the center of mass of each blade is r = 10.2 m, what is U₁, the total work done by the wind turbine's blades, in a wind of speed v = 7.35 m/s after 10 revolutions? Express your answer numerically in joules to three significant figures. ► View Available Hint(s) Part B X Incorrect; Try Again —| ΑΣΦ n = Previous Answers Submit M tire Previous Answers vec brake pads VE ΑΣΦ ↓↑ vec A brake system is tested by rotating a tire and measuring the number of rotations required for the brake system to bring the tire to a stop. (Figure 2) The tire's radius is R = 50.0 cm and the brake system's radius is r = 19.3 cm. A moment of M = 13.8 Nm is applied to the tire for 5 rotations before the brake system is applied. The brake system is composed of two pads that are pushed out against the drum with a force that increases as the tire rotates and is described by F = (10.00) N. If the coefficient of kinetic friction between the brake pads and the outer ring of the brake system is k = 0.550, how many rotations, n, will the tire go through before coming to a stop? Express your answer numerically to three significant figures. ► View Available Hint(s) ? drum w ? J
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