Phil has exactly 5 minutes 21 seconds to get to his next class on time and that classroom is 396 m east of where he is right now. First, he runs to his dorm room at an average velocity of 5.02 m/s to the south to pick up his calculator and his dorm room is 192 m south of where he was initially. What average velocity (magnitude only) does he now need to run from his dorm room to his classroom to arrive exactly on time?
Phil has exactly 5 minutes 21 seconds to get to his next class on time and...