+21.0 rad/s.? A person is riding a bicycle, the wheels of a bicycle have an angular velocity of +21.0 rad/s. Then, the brakes are applied. In coming to rest, each wheel makes an angular displacement of +16.0 revolutions.
(a) How much time does it take for the bike to come to rest?
1Your answer was incorrect, but has changed from what was graded. s

(b) What is the angular acceleration of each wheel?
2 rad/s2