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A block with a mass of 0.300 kg attached to one end of a spring can...

A block with a mass of 0.300 kg attached to one end of a spring can oscillate on a frictionless, horizontal surface. Initially the block is displaced 0.120 m from its equilibrium position and then it is released. After 0.152 s the block has not passed through the equilibrium position and is located 0.0371 m from its equilibrium position. Determine the spring constant of the spring.

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