Tutor help me with this question, I cannot get the right answer and I'm struggling:(

6. The London Cye Ferris Wheel of dimneter 27 rotates once enwry 30 seconds. The bottorn of the wheel is 1.5 m abose the ground. If passengers board thc lowest car at thc bottom of thc *heel, determine a function that models the passenger's height. h, in meters, of the car relative to the ground aq a function of thc time, t, in seconds. (a) Determine the period and arnplitude of this function. Explain the meaning of these quantities within context of the question. (b) Calculate the height at t = 12.75 s. (c) Determine the first time that the height is 15 m. (d) When is the next time that this height is reached again?