Posted by **Joey** on Wednesday, January 5, 2011 at 9:35am.

An automobile traveling at 50.0 km/h has tires of 100.0 cm diameter.

(a) What is the angular speed of the tires about their axles?

1 rad/s

(b) If the car is brought to a stop uniformly in 25.0 complete turns of the tires (without skidding), what is the magnitude of the angular acceleration of the wheels?

2 rad/s2

(c) How far does the car move during the braking?

3 m

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