2. a rural mail carrier leaves the post office and drives 22.0 km north to the next town. she then drives in a direction 60.0° south of east for 47.0 km to another town. what is her displacement from the post office (magnitude and direction)?

Which statement describes the formation of our sun? a disk formed of long trails of stars coiled into a spiral. it formed an elliptical flattened disk. heat and gases contracted within a nebula. gravity pushed stars away from a center core.