Physics

Physics

Problem

A 2 kg2\,\text{kg} block is attached to a horizontal spring of force constant 200 N m−1200\,\text{N m}^{-1}. The spring is compressed 0.10 m0.10\,\text{m} from its natural length and released from rest on a frictionless surface. Calculate the speed of the block as it passes through the equilibrium position. a) 3.2 m s−13.2\,\text{m s}^{-1} b) 4.5 m s−14.5\,\text{m s}^{-1} c) 1.0 m s−11.0\,\text{m s}^{-1} d) 0.71 m s−10.71\,\text{m s}^{-1}

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