A mass-spring system oscillates on a frictionless horizontal surface in simple harmonic motion with an amplitude A = 0.2 m. At what position (x = ?) would the kinetic energy of the system be equal to three times its elastic potential energy (K = 3U)? O At x = 0.05 m O At x = +0.1 m O At x = +0.08 m O At x = +0.04 m At x = +0.025 m
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