Airplane of the mass 19 tones has the horizontal flight speed 480 km/h at altitude 4500 meters and meets an upward gust of 6 m/s. Define the load factor and the trajectory curvature radius at the moment. Air density is equal to 0.777 kg/m', the wing area 66 m, C$ =5.15, and gust shape coefficient is equal 0.8.