Practice Problems
Speed and Velocity
Directions:
On this worksheet ...
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Question 1
A child is wandering through a park chasing a butterfly. Immediately after entering the park, he moves 8 meters East, 5 meters South, 7 meters West, 3 meters North and finally another 5 meters West.
The magnitude of his net displacement was
28.0 meters
0.5 meters
4.5 meters
2.0 meters
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Question 2
Two cars A and B are traveling on an interstate which runs North and South (similar to I-75 on the west side of the state). Car A travels 357 km in 3 hours while car B travels 833 km in 7 hours.
Based on this information, which of the following statements must be TRUE?
Car B maintained a greater average speed than car A
Car B passed car A after 4 hours.
Both cars have the same velocity
Both cars have the same average speed.
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Question 3
The word _______ implies that an event has taken place over an interval of time
average
instantaneous
uniform
constant
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Question 4
A car moving at a constant speed MUST also be moving at a constant velocity.
False
True
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Question 5
You ran 119 meters at a speed of 5.0 m/sec and then you walked 80 meters at a speed of 1.0 m/sec. Your average speed was
6.5 m/sec
1.4 m/sec
none of the values
given are correct
1.9 m/sec
3.0 m/sec
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Question 6
If a student runs one full circuit around a track, totaling 400 meters, in 64 seconds, he would have maintained an average velocity having a magnitude of _______ m/sec.
3.4 m/sec
1.6 m/sec
6.3 m/sec
0 m/sec
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Question 7
Which of the following quantities is NOT a vector?
time
acceleration
weight
velocity
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Question 8
A truck delivering interstate mail travels 833 kilometers in ten hours. Approximately how far should it have traveled 7 hours after beginning its trip?
119.0 kilometers
333.2 kilometers
499.8 kilometers
583.1 kilometers
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Question 9
The position of two blocks at successive 0.20 second time intervals are represented by the numbered squares in the diagram below. The blocks are moving toward the right.
During which interval is the top block always moving at a faster speed than the bottom block?
between 3 and 4
between 2 and 4
from 0 to 3
from 5 to 7
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Question 10
For a given trip, the direction of the object's net displacement and the direction of its average velocity are
not related
the same
exactly the opposite
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