The velocity vs. time graph for an object moving along a straight path is shown in the figure below.
(i) Find the average acceleration of this object during the following time intervals.
0 s to 5.0 s
m/s2
5.0 s to 15 s
m/s2
0 s to 20 s
m/s2
(ii) Find the instantaneous accelerations at the following times
2.0 s
m/s2
10 s
m/s2
18 s
m/s2