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A slender 9-lb rod can rotate in a vertical plane about a pivot at B. A spring of constant k = 21 lb/ft and of unstretched length 6 in. is attached to the rod as shown in the figure. Knowing that the rod is released from rest in the position shown in the figure, determine its angular velocity after it has rotated through 90 degree

A slender 9-lb rod can rotate in a vertical plane about a pivot at B. A spring of constant k = 21 lb/ft and of unstretched length 6 in. is attached to the rod as shown in the figure. Knowing that the rod is released from rest in the position shown in the figure, determine its angular velocity after it has rotated through 90 degree

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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A slender 9-lb rod can rotate in a vertical plane about a pivot at B. A spring of constant k = 21 lb/ft and of unstretched length 6 in. is attached to the rod as shown in the figure. Knowing that the rod is released from rest in the position shown in the figure, determine its angular velocity after it has rotated through 90 degree .

A slender 9-lb rod can rotate in a vertical plane about a pivot at B. A spring of constant k = 21 lb/ft and of unstretched length 6 in. is attached to the rod as shown in the figure. Knowing that the rod is released from rest in the position shown in the figure, determine its angular velocity after it has rotated through 90". 24 in. 5 in. - 14 in. D The angular velocity after it has rotated through 90° is rad/s (Click to select)
Transcribed Image Text:A slender 9-lb rod can rotate in a vertical plane about a pivot at B. A spring of constant k = 21 lb/ft and of unstretched length 6 in. is attached to the rod as shown in the figure. Knowing that the rod is released from rest in the position shown in the figure, determine its angular velocity after it has rotated through 90". 24 in. 5 in. - 14 in. D The angular velocity after it has rotated through 90° is rad/s (Click to select)
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