Solved: The spring has a stiffness k = 50 N>m and an
Chapter 14, Problem 14-76(choose chapter or problem)
The spring has a stiffness k = 50 N/m and an unstretched length of 0.3 m. If it is attached to the 2-kg smooth collar and the collar is released from rest at \(A \ (\theta = 0^{\circ})\), determine the speed of the collar when \(\theta = 60^{\circ}\). The motion occurs in the horizontal plane. Neglect the size of the collar.
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