42. You are working as an assistant to an air-traffic controllerat the local airport, from which small airplanes take off and land.Your job is to make sure that airplanes are not closer to eachother than a minimum safe separation distance of 2.00 km. Youobserve two small aircraft on your radar screen, out over the oceansurface. The first is at altitude 800 m above the surface,horizontal distance 19.2 km, and 25.08 south of west. The secondaircraft is at altitude 1 100 m, horizontal distance 17.6 km, and20.08 south of west. Your supervisor is concerned that the twoaircraft are too close together and asks for a separation distancefor the two airplanes. (Place the x axis west, the y axis south,and the z axis vertical.)
