An automobiletraveling at 800 kmh has tires of750 cm, Ask an Expert

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An automobiletraveling at 80.0 km/h has tires of75.0 cm diameter.

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

rad/s

(b) If the car is brought to a stop uniformly in 30.0 complete turns of the tires (withoutskidding), what is the magnitude of the angular acceleration of thewheels?

rad/s2

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