To get to a concert in time, a harpsichordist has to drive 123 miles in 2.03 hours.
(a) If he drove at an average speed of 55.0 mi/h in a due west direction for the first 1.22 h, what must be his average speed if he is heading 30.0° south of west for the remaining 48.6 min? What is his average velocity for the entire trip (direction in degrees)