College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Centripetal Force
A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal for…
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Number 8 to 9 are together

 

8. A car takes 55 s to complete one revolution around a circular lap that has a radius of 185 m. What is the velocity of the car? 9. What is the radial acceleration, ar, of the car in problem 8? If the car from problem 8 weighs 1,500 kg then how much frictional force is necessary to keep it moving in a circular path? What coefficient of static friction (between the car's tires and the road) is needed for the car in problem 8 not to skid?
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Transcribed Image Text:8. A car takes 55 s to complete one revolution around a circular lap that has a radius of 185 m. What is the velocity of the car? 9. What is the radial acceleration, ar, of the car in problem 8? If the car from problem 8 weighs 1,500 kg then how much frictional force is necessary to keep it moving in a circular path? What coefficient of static friction (between the car's tires and the road) is needed for the car in problem 8 not to skid?
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