[" dis "],[" 2."],[[" Joseph jogs from one end A to the other end "B" of a straight "],[300m" road in "2" minutes "30" seconds and then turns around "]],[100m" back to point "C" in another "1" minute.What are "],[[" Joseph's average speeds and velocities in jogging (a) from "A" to "],[B" and "(b)" from "A" to "C?]],[" for "]