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The spring is uncompressed when the uniform siender bar is in the vertical position snown. Determine the initial angular acceleration a of the bar when it is released from rest in a position where the bar has been rotated clockwise 26° from the position shown. Neglect any sag of the spring, whose mass is negligible. The angular acceleration is positive if counterclockwise and negative if clockwise. The mass m of the bar is 27 kg, the length / is 390 mm and the spring constan k is 712 N/m.

The spring is uncompressed when the uniform siender bar is in the vertical position snown. Determine the initial angular acceleration a of the bar when it is released from rest in a position where the bar has been rotated clockwise 26° from the position shown. Neglect any sag of the spring, whose mass is negligible. The angular acceleration is positive if counterclockwise and negative if clockwise. The mass m of the bar is 27 kg, the length / is 390 mm and the spring constan k is 712 N/m.

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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The spring is uncompressed when the uniform slender bar is in the vertical position shown. Determine the initial angular acceleration a of the bar when it is released from rest in a position where the bar has been rotated clockwise 26° from the position shown. Neglect any sag of the spring, whose mass is negligible. The angular acceleration is positive if counterclockwise and negative if clockwise. The mass m of the bar is 27 kg, the length / is 390 mm and the spring constant k is 712 N/m. A 4 4 10 4 B Answer: a = rad/s2 the tolerance is +/-2%
Transcribed Image Text:The spring is uncompressed when the uniform slender bar is in the vertical position shown. Determine the initial angular acceleration a of the bar when it is released from rest in a position where the bar has been rotated clockwise 26° from the position shown. Neglect any sag of the spring, whose mass is negligible. The angular acceleration is positive if counterclockwise and negative if clockwise. The mass m of the bar is 27 kg, the length / is 390 mm and the spring constant k is 712 N/m. A 4 4 10 4 B Answer: a = rad/s2 the tolerance is +/-2%
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