An object is attached to the end of a vibrating spring and its displacement from its equilibrium position is
(a) Graph the displacement function together with the functions
(b) Use the graph to estimate the maximum value of the displacement. Does it occur when the graph touches the graph of
(c) What is the velocity of the object when it first returns to its equilibrium position?
(d) Use the graph to estimate the time after which the displacement is no more than 2 cm from equilibrium.
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