A cork is floating in a lake bobbing in simple harmonic motion. Its displacement above the bottom of the lake is modeled by y= 0.2 cos(20nt)+8 where y is measured in meters and t is measured in minutes. Find the time it takes the cork to move from its equilibrium position to its highest position, then lowest position and back to it's equilibrium position. 1 minutes O 0.1 minutes 10 minutes 20 minutes

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