Dan gets on Interstate Highway 1-80 at Seward, Nebraska, and drives due west in a straight line and at an average velocity of magnitude 88 km/h. After traveling 76 Ian he reaches the Aurora exit (Fig. 2.44). Realizing be has gone too far, he turns around and drives due east 34 km back to the York exit at an average velocity of magnitude 72 km/h. For his whole trip from Seward to the York exit, what are?
(a) His average speed and
(b) The magnitude of his average velocity?

Transcribed Image Text:

Aurora York Seward 76 km ㅡㅡ 34km-