Question: Need help Unit 3: 1 1. What is the maximum speed at which a car can round an unbanked curve of radius 24.5m with a

Need help

Unit 3: 1 1. What is the maximum speed at which a car can round an unbanked curve of radius 24.5m with a co-efficient of friction of .870? 14.5m/s 12. What radius would a curve banked at 220 need if the desired speed was 60km/h? 70m 13. At what speed must a car travel so that when it goes over a bump with a radius of 18.0m it exerts no force on the road? (Mass of car 1500kg)? 13.3m/s 14. What is the radius of a roller coaster loop that makes people feel 3 times heavier than their actual weight, by moving at 24.0m/s? (Assume a person with a mass of 70kg at the bottom of the loop) 29.4m 15. A satellite has an orbital period of 6.0 hours, while orbiting the earth, how far above the earth's surface is it? 1.1x10'm 16. What is the gravitational field strength acting on a satellite that is 7.48x10'm above the earth's surface? 2.08N/kg

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