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An 0.85-kg object is attached to one end of a spring and the system is set into simple harmonic motion. The displacement x of the object as a function of time is shown in the drawing. With the aid of these data, determine the mechanical energy of the system. x (m) 0.080 2.0 4.0 0 Time (s) 1.0 3.0 -0.080 A) 5.4x103J B) 6.7x103j c) 8.0x103J D) 9.3x103j E) 1.1x102J

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