Answer: The slender 6-kg bar AB is horizontal and at rest
Chapter 18, Problem 18-59(choose chapter or problem)
The slender 6-kg bar AB is horizontal and at rest and the spring is unstretched. Determine the angular velocity of the bar when it has rotated clockwise \(45^{\circ}\) after being released. The spring has a stiffness of k = 12 N/m.
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