Graphical Analysis of One-Dimensional Motion| Kinematics| College Physics| Problem 2.64

(a) Take the slope of the curve in Figure 2.64 to find the jogger’s velocity at t = 2.5 s.
(b) Repeat at 7.5 s. These values must be consistent with the graph in Figure 2.65.

2.64a-1
Figure 2.64
2.64b-1
Figure 2.65
2.64c-1
Figure 2.66


Solution:

The velocity at time 2.5 seconds is 5 m/s.

The velocity at time 7.5 seconds is -4 m/s.

 

 

 

Advertisements