Question: The 60-kg rod OA is released from rest when = 0. Determine its angular velocity when = 45. The spring remains vertical during

The 60-kg rod OA is released from rest when θ = 0°. Determine its angular velocity when θ = 45°. The spring remains vertical during the motion and is unstretched when θ = 0°. 3 m k = 150 N/m

3 m k = 150 N/m

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