Physics Principles and Problems 2009

Section 2.3 : Position-Time Graphs

Self-Check Quizzes

1
What is plotted on the horizontal axis of a position-time graph?
A)motion
B)position
C)speed
D)time
2
When did the runner described in the graph reach 15.0 m beyond the starting point?

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A)1.0 s
B)2.0 s
C)3.0 s
D)4.0 s
3
_____ is an object's position at a particular instant.
A)Final position
B)Instantaneous position
C)New position
D)Real position
4
Will the blue jogger catch up to the red jogger? How can you tell?

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A)No, the lines representing the blue jogger and the red jogger get farther apart as time increases.
B)No, the blue jogger is not physically fit.
C)Yes, the blue jogger is running faster than the red jogger.
D)Yes, they started at the same time so the blue jogger will eventually catch up to the red jogger.
5
The graph represents a hockey puck gliding across a frozen pond. How far did the puck move between 0 s and 4 s?

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A)20 m
B)40 m
C)60 m
D)80 m
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