l4. Martina is planning to y to a town [000 km due north of her present location. There is a 45 km/ h wind blowing from N30E. a. If her plane travels at 500 km/h, what direction should the pilot head to reach the destination? b. How long will the trip take? 4. An airplane is travelling at 500 km/h due south when it encounters a wind from W45.N at 100 km/h. a. What is the resultant velocity of the airplane? b. How long will it take for the airplane to travel 1000 km