Question: The 20-lb smooth collar is attached to the spring that has an unstretched length of 4 ft. If it is released from rest at position

The 20-lb smooth collar is attached to the spring that has an unstretched length of 4 ft. If it is released from rest at position A, determine its speed when it reaches point B. X 6 ft 3 ft A k = 50 lb/ft 2 ft

X 6 ft 3 ft A k = 50 lb/ft 2 ft 3 ft N B 4 ft

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