1. The problem statement, all variables and given/known data An automobile traveling at 30.0 km/h has tires of 85.0 cm diameter. (b) If the car is brought to a stop uniformly in 15.0 complete turns of the tires (without skidding), what is the magnitude of the angular acceleration of the wheels? (In part a I found the angular speed to be 19.6 rad/s 2. Relevant equations (w^2 - wi^2)/(2 * change in theta) ?? 3. The attempt at a solution -wi^2/(2 *(2* 15pi) = angular acceleration I'm super lost and would appreciate any help at all. I just need a pointer in the right direction!