Spiderman is swinging back and forth in front of an office building window looking for the Green Goblin. At t= 2s, he is at one end of his swing 12 feet to the right of this window. At t=6s, he at the other end of his swing 12 feet to the left of the window. Let t =0 be the time he swings by a window where a worker notices him..Assume that the positive direction is to the right.