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?

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?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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