7.13 A highway curve or radius 500 m is designed for traffic moving at a speed of 90 km/h. What is the correct banking angle of the road?

7.13 A highway curve or radius 500 m is designed for traffic moving at a speed of 90 km/h. What is the correct banking angle of the road? 7.17 A satellite orbiting the moon very near the surface has a period of 110 min. What is the moon"s acceleration due to gravity?