Physics Principles and Problems 2009

Chapter 2: Representing Motion

Standardized Test Practice

1
The lines on the graph represent displacement vectors for the route along which a person moves.

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What is the total distance traveled?
A)3.0 m
B)4.0 m
C)5.0 m
D)6.0 m
2
The lines on the graph represent displacement vectors for the route along which a person moves.

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What is the person's displacement for the trip?
A)0.0 m
B)1.0 m (need direction)
C)2.0 m (need direction)
D)3.0 m (need direction)
3
Which quantity is described by a vector?
A)temperature
B)velocity
C)time
D)distance
4
The position-time graph represents part of a car trip along a straight road.

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What is the average velocity of the car for the first 6.0 s?
A)20 m/s (need direction)
B)15 m/s (need direction)
C)12 m/s (need direction)
D)8 m/s (need direction)
5
The position-time graph represents part of a car trip along a straight road.

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What is the displacement of the car during the first four seconds?
A)30 m (need direction)
B)60 m (need direction)
C)90 m (need direction)
D)120 m (need direction)
6
Pablo leaves the science lab and walks 10 meters west to the drinking fountain. Then he walks 35 meters east to a chess club meeting. What was his total displacement from the science lab to the chess club meeting?
A)25 m west
B)45 m east
C)25 m east
D)45 m west
7
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The position-time graph represents two walkers traveling in a constant direction. Which walker has a slower average velocity? Which aspects of the graph represents average velocity?
A)Raul:the y-intercepts represent their average velocities.
B)Kin:the y-intercepts represent their average velocities.
C)Raul: the slopes represent their average velocities.
D)Kin: the slopes represent their average velocities.
8
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The position-time graph represents two walkers traveling in a constant direction. Which equation below best represents the average speed of the walker, Kin?
A)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617910/ch2_eq2.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>

B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617910/ch2_eq3.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>

C)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617910/ch2_eq4.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>

D)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617910/ch2_eq5.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>

9
A taxi picked up a passenger and traveled at an average velocity of 10 m/s for 150 s before dropping off the passenger. How far did the taxi carry the passenger?
  Need a Hint?
A)150 m
B)160 m
C)1.5 km
D)15 km
10
If a certain bicyclist can maintain a constant speed of 5.0 m/s, how long will it take to travel 3.0 km?
 Need a Hint?
A)15,000 s
B)0.6 s
C)600 s
D)15 s
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