A train at a constant 47.0 km/h moves east for 28.0 min, then in a direction 51.0° east of due north for 26.0 min, and then west for
38.0 min. What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip?
(a) Number i 1.53
(b) Number
Units
Units
km/h
(degrees)
49
