A car initially traveling at 27.9 m/s undergoes a constant negative acceleration of magnitude 1.70 m/s2 after its brakes are applied.
(a) How many revolutions does each tire make before the car comes to a stop, assuming the car does not skid and the tires have radii of 0.330 m?
_____ rev
(b) What is the angular speed of the wheels when the car has traveled half the total distance?
_____ rad/s