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A spring, with a spring constant of k = 9.8 N/m, supports a hanging mass, m. If the spring is displaced by 0.37 m from its equilibrium position, what is the hanging mass (in kilograms)? Please round your answer to two decimal places. Take g = 9.80 m/s2.A spring of spring constant k = 12.3 N/m is displaced from equilibrium by a distance of x =0.39 m. What is the stored energy (in Joules) in the form of spring potential energy? Please round your answer to two decimal places. Take g = 9.80 m/s