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".
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".
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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
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.
The angular velocity after it has rotated through 90° is
rad/s (Click to select)
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