The displacement from equilibrium of an oscillating weight suspended by a spring is given by Y t 1 cos 78 where y is the displacement in feet and it is the time in seconds see figure Find the displacement when tw0 t and t Round your answers to four decimal places 0 2 0 y Equilibrium 6 t 1 y Y O ft ft 0 ft At In 11 Maximum negative Maximum positive displacement displacement Simple Harmonic Motion Oft