A bicycle with 0.80m -diameter tires is coasting on a level road at 5.6m/s . A small blue dot has been painted on the tread of the rear tire.
PartA: What is the angular speed of the tires?
Part B: What is the speed of the blue dot when it is 0.80m above the road?
Part C: What is the speed of the blue dot when it is 0.40m above the road?