The tires of a car make 77 revolutions as the car reduces its
speed uniformly from...
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Physics
The tires of a car make 77 revolutions as the car reduces itsspeed uniformly from 92.0 km/h to 60.0 km/h. The tires have adiameter of 0.84 m.
1. What was the angular acceleration of the tires?
2. If the car continues to decelerate at this rate, how muchmore time is required for it to stop?
3. If the car continues to decelerate at this rate, how far doesit go? Find the total distance.
Answer & Explanation
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Part A Given that Vi 920 kmhr 2556 msec Vf 600 kmhr 1667 msec D diameter of tire 084 m R radius of tire 042 m Since V wR So Initial angular velocity wi ViR
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