SAMPLE PROBLEM
• A toy train moves along a straight track as follows:
x (m)
A
B
c
t (s)
1
2
3
4
5 6
• Describe the motion in words from the origin to point A:
• Describe the motion in words from point A to point B:
• Describe the motion in words from point B to point C:
• Find the average velocity for the trip:
• The instantaneous velocity at time t = 2 sec:
• The instantaneous velocity at time t = 5 sec:
B-23