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A 3.5 kg object is attached to a horizontal spring of force constant k= 1500 N/m....

A 3.5 kg object is attached to a horizontal spring of force constant k= 1500 N/m. The spring is stretched 15cm equilibrium and released. Find A. the frequency and the period of the motion, and B. The maximum speed. C. When does the object first reach its equilibrium position? D. What are the potential and kinetic energies when the displacement is one quarter of the amplitude?

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c. TO.3o 3 sec 3.3 H (0+15) (2n) (3.3) may aFe O 3o3 3.S 3n 2 22 1 6 8

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