A flock of birds flies due north at 10.3m/s (relative to the air) while a steady cross wind blows due east at 3.5m/s (relative to the ground)….

A flock of birds flies due north at 10.3m/s (relative to the air) while a steady cross wind blows due east at 3.5m/s (relative to the ground). Calculate their total distance traveled in 1.2 hours relative to the ground.