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The mechanism shown in the figure below rotates about the vertical axis. The collar has mass m = 2.95 kg. The spring has an unstretched length of 300 mm and the spring constant is k = 250 N/m. The distance d = 225 mm, and the collar is required to stay a fixed distance r = 300 mm from the vertical axis.(Figure 1) Figure d mmmmmm < 1 of 1 > C B ▼ Consider the same mechanism again, with m= 2.95 kg, d = 225 mm, k = 250 N/m, only now, instead of being smooth, the collar and shaft have a maximum coefficient of friction of μ = 0.297. What is the minimum angular velocity required to keep the collar at a constant distance r = 300 mm from the axis of rotation? Express your answer to three significant figures. ► View Available Hint(s) = 1.86 rad/s Submit ✓ Correct Notice that this angular velocity is less than that found in Part A, as expected. Previous Answers Part C - The maximum allowable angular velocity when there is friction Consider the same mechanism again, with m = 2.95 kg, d = 225 mm, k = 250 N/m, and μ = 0.297. What is the maximum angular velocity allowable if the collar is to remain at a constant distance r = 300 mm from the axis of rotation? Express your answer to three significant figures. ► View Available Hint(s) ė= Submit 197| ΑΣΦ. 11. vec Request Answer < Return to Assignment 3 Provide Feedback ? rad/s

The mechanism shown in the figure below rotates about the vertical axis. The collar has mass m = 2.95 kg. The spring has an unstretched length of 300 mm and the spring constant is k = 250 N/m. The distance d = 225 mm, and the collar is required to stay a fixed distance r = 300 mm from the vertical axis.(Figure 1) Figure d mmmmmm < 1 of 1 > C B ▼ Consider the same mechanism again, with m= 2.95 kg, d = 225 mm, k = 250 N/m, only now, instead of being smooth, the collar and shaft have a maximum coefficient of friction of μ = 0.297. What is the minimum angular velocity required to keep the collar at a constant distance r = 300 mm from the axis of rotation? Express your answer to three significant figures. ► View Available Hint(s) = 1.86 rad/s Submit ✓ Correct Notice that this angular velocity is less than that found in Part A, as expected. Previous Answers Part C - The maximum allowable angular velocity when there is friction Consider the same mechanism again, with m = 2.95 kg, d = 225 mm, k = 250 N/m, and μ = 0.297. What is the maximum angular velocity allowable if the collar is to remain at a constant distance r = 300 mm from the axis of rotation? Express your answer to three significant figures. ► View Available Hint(s) ė= Submit 197| ΑΣΦ. 11. vec Request Answer < Return to Assignment 3 Provide Feedback ? rad/s

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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Consider the same mechanism again, with m=2.95 kg, d=225 mm, k=250 N/m, and μs=0.297. What is the maximum angular velocity allowable if the collar is to remain at a constant distance r=300 mm from the axis of rotation?
Express your answer to three significant figures.
 
Learning Goal: To set up and analyze equations of motion in a cylindrical coordinate system. The mechanism shown in the figure below rotates about the vertical axis. The collar has mass m = 2.95 kg. The spring has an unstretched length of 300 mm and the spring constant is k = 250 N/m. The distance d = 225 mm, and the collar is required to stay a fixed distance r = 300 mm from the vertical axis. (Figure 1) Figure 6 d 4 B 1 of 1 Part B - The minimum required angular velocity when there is friction Consider the same mechanism again, with m = 2.95 kg, d = 225 mm, k = 250 N/m, only now, instead of being smooth, the collar and shaft have a maximum coefficient of friction of μ = 0.297. What is the minimum angular velocity required to keep the collar at a constant distance r = 300 mm from the axis of rotation? Express your answer to three significant figures. ► View Available Hint(s) = 1.86 rad/s Submit Previous Answers Correct Notice that this angular velocity is less than that found in Part A, as expected. ▼ Part C - The maximum allowable angular velocity when there is friction Consider the same mechanism again, with m = 2.95 kg, d = 225 mm, k = 250 N/m, and μs = 0.297. What is the maximum angular velocity allowable if the collar is to remain at a constant distance r = 300 mm from the axis of rotation? Express your answer to three significant figures. ► View Available Hint(s) AΣ vec Submit Request Answer < Return to Assignment Provide Feedback ? rad/s
Transcribed Image Text:Learning Goal: To set up and analyze equations of motion in a cylindrical coordinate system. The mechanism shown in the figure below rotates about the vertical axis. The collar has mass m = 2.95 kg. The spring has an unstretched length of 300 mm and the spring constant is k = 250 N/m. The distance d = 225 mm, and the collar is required to stay a fixed distance r = 300 mm from the vertical axis. (Figure 1) Figure 6 d 4 B 1 of 1 Part B - The minimum required angular velocity when there is friction Consider the same mechanism again, with m = 2.95 kg, d = 225 mm, k = 250 N/m, only now, instead of being smooth, the collar and shaft have a maximum coefficient of friction of μ = 0.297. What is the minimum angular velocity required to keep the collar at a constant distance r = 300 mm from the axis of rotation? Express your answer to three significant figures. ► View Available Hint(s) = 1.86 rad/s Submit Previous Answers Correct Notice that this angular velocity is less than that found in Part A, as expected. ▼ Part C - The maximum allowable angular velocity when there is friction Consider the same mechanism again, with m = 2.95 kg, d = 225 mm, k = 250 N/m, and μs = 0.297. What is the maximum angular velocity allowable if the collar is to remain at a constant distance r = 300 mm from the axis of rotation? Express your answer to three significant figures. ► View Available Hint(s) AΣ vec Submit Request Answer < Return to Assignment Provide Feedback ? rad/s
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