Compute your average velocity in the following two cases.

 

(a) You walk 73.4 m ata speed of 1.22 m/s and then run 73.4 m ata speed of 3.05 m/s along a straight track.

 

1               m/s

 

(b) You walk for 1.73 min at a speed of1.22 m/s and then run for 1.73 min at 3.05m/s along a straight track.

 

2               m/s

 

(c) Graph x versus t for both cases and indicatehow the average velocity is found on the graph. (Do this on paper.Your instructor may ask you to turn in this graph.)