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A 0.8 kg block is on a surface with negligible friction. When the surface is horizontal, the spring has an equilibrium length of 0.25 mWhen the surface istilted at a 27? angle to the horizontal there is a new equilibrium length of 0.33 m : The mass on the incline is now displaced from equilibrium, released, and oscillates. Calculate the period of oscillation. The acceleration due to gravity is 9.8 m/s2 .

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