[b]1 A truck travels along a staright road at 80 m/s and it travels at 40 m/s for the next 1200m. what is the average velocity?
[b]2. ave V= change d/ time
r=dt (get the total time)
[b]3. (1600-1200)/ 50
this is incorrect
I also tried ave V= (u+v)/t and it did...