Answer:
Step-by-step explanation:
Given
radius of ferris wheel is 20 m
It completes 6 turns in 1 min
i.e. 1 turn in 10 sec
Therefore its angular velocity is

(a)Period of motion is 10 s
Magnitude of centripetal acceleration is


(b)Highest point will be 40 m
(c) lowest point 0 m i.e. at ground