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ccsprincess906
A vertical mass-spring oscillator is displaced 2.0 cm from equilibrium. The 100 g mass passes through the equilibrium point with a speed of 0.75 m/s. What is the spring constant of the spring? (A) 90 N/m (B) 100 N/m (C) 110 N/m (D) 140 N/m (E) 160 N/m I was thinking of using kx = ma but then I realize that it is speed not a... :/ How do I do this problem? Thank you.