LD Page 5 > of 6 - 7. A pilot is holding a course of due north at a constant airspeed of 90 km/hr. The wind is blowing from west to east at a constant speed of 30 km/hr. What is the airplane's speed and direction of travel relative to the ground? Recall that Vplane-ground = Vplane-air + Vair-ground A) 110 km/hr heading 140 east of north. B) 95 km/hr heading 180 east of north. C) 115 km/hr heading due north. D) 95 km/hr heading 140 east of north. E) 110 km/hr heading 18 east of north. 17 MAR 18 tv EN e MacBook Air 20 Q DII DD F3 F4 F5 F6 F7 F8 F9 $ % & K 4 5 6 8 9 0 E P