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(25 points) Shown below is a pair of blocks. Block A, on the frictionless horizontal surface, has a mass of 2 kg. Block B, suspended

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(25 points) Shown below is a pair of blocks. Block A, on the frictionless horizontal surface, has a mass of 2 kg. Block B, suspended by the cables has a mass of 3 kg. The spring has a stiffness of k = 500 N/m and an unstretched length of 400 mm. If the system is released from rest in the position shown (x = 800 mm), determine the speed of block A when x = 0 mm. A 600 mm : = 500 Nin B 3 kg

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