Allen encountered a headwind averaging 2.00 m/s almost precisely in the opposite direction of his motion relative to the earth. what was his average velocity relative to the air? (enter the magnitude in m/s and the direction in degrees south of east.) magnitude m/s direction ° south of east (c) what was his total displacement relative to the air mass? (enter the magnitude in km and the direction in degrees south of east.) magnitude km direction ° south of east