Chapter 2, Problem 24P

* Table 2.9 shows position and time data for your walk along a straight path. (a) Tell everything you can about the walk. Specify the object of reference. (b) Draw a motion diagram, draw a graph $x(t)$, and write a function $x(t)$ that is consistent with the data and the chosen reference frame.

Table 2.9

Time(s)	Position(m)
0	80
10	40
20	0
30	-40
40	-80
50	120