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Q. When you take your 1300-kg car out for a spin, you go around a corner of radius 60.5 m with a speed of 15.2 m/s. The coefficient of static friction between the car and the road is 0.94. Assuming your car doesn't skid, what is the force exerted on it by static friction?

Q. An airplane is flying in a horizontal circle at a speed of 100 m/s. The 80.0-kg pilot does not want her radial acceleration to exceed 7g. (a) What is the minimum radius of the circular path? (b) At this radius, what is the force causing the centripetal acceleration of the pilot?

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