(Solved): Use the following information to answer questions 10 - 13. ( marks each - total 4 marks) The height ...

Use the following information to answer questions 10 - 13. ( marks each - total 4 marks) The height, $h$, in metres, above the ground of a cart as a Ferris wheel rotates can be modelled by the funcuinn $h(t)=18\cos \left(\frac{?t}{80}\right)+19$, where $r$ is the time, in seconds. 10. What is the radius of the Ferris wheel? 11. How long does it take for the wheel to revolve once? 12. What is the minimum height of a cart? 13. What is the maximun lieight of a cart?