The wheel of an automobile has a mass of 25 kg and a diameter of 67.0 cm. Assume that the wheel can be regarded as a uniform disk.
(a) What is the angular momentum of the wheel about its axle when the automobile is traveling at 25 m/s (90 km/h) on a straight road?
(b) What is the torque on the wheel when the automobile is traveling at the same speed along a curve of radius 83.0 m.