The 2-kg shaft CA passes through a smooth journal bearing at B. Initially, the springs, which are coiled loosely around the shaft, are unstretched when no force is applied to the shaft. In this position s = s¬™ = 250 and the shaft is originally at rest. If a horizontal force of F = 5 kN is applied, determine the speed of the shaft at the instant s = 50 mm, s¬™ = 450 mm. The ends of the springs are attached to the bearing at B and the caps at C and A.

The 2-kg shaft CA passes through a smooth journal bearing at B. Initia

1.	The 2-kg shaft CA passes through a smooth journal bearing at B. Initially, the springs, which are coiled loosely around the shaft, are unstretched when no force is applied to the shaft. In this position s = s¬™ = 250 and the shaft is originally at rest. If a horizontal force of F = 5 kN is applied, determine the speed of the shaft at the instant s = 50 mm, s¬™ = 450 mm. The ends of the springs are attached to the bearing at B and the caps at C and A.
A.	v = 31.6 m/s
B.	v = 14.14 m/s
C.	v = 44.7 m/s
D.	v = 30.0 m/s
Answer» E.

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