A Ferris wheel has a radius of 30 m. Its center is 31 m above the ground. It rotates once every 40 s. Suppose you get on the bottom at t = 0. Write an equation that expresses your height as a function of elapsed time. (t - 40) 40 Oh = 31 cos 2π- Oh 30 cos 2T- Oh = (t - 20) 40 Oh (t - 20) 40 31 cos 2T- (t - 20) 40 = 30 cos 2T- + 30 +1 +30 +31

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