Practice Problems
Constant Velocity: Velocity-Time Graphs
Directions:
On this worksheet you will practice working with velocity-time graphs for "constant velocity."
omit
Question 1
The y-axis, representing velocity, is scaled so that each square (vertical division) represents
9 m/sec.
The x-axis is scaled so that each square represents
1 second
.
What was the cart's instantaneous speed at 8.9 seconds?
3.84 m/sec
18.00 m/sec
the correct value is not listed
9.00 m/sec
omit
Question 2
During which interval of time was the object losing speed in a positive direction?
14 < t < 18 seconds
0 < t < 5 seconds
20 < t < 23 seconds
7 < t < 12 seconds
omit
Question 3
During which of these intervals of time was the object at rest?
the correct interval is not listed
12 < t < 15 seconds
5 < t < 7 seconds
18 < t < 20 seconds
omit
Question 4
During which interval of time was the object gaining speed in a negative direction?
0 < t < 5 seconds
7 < t < 12 seconds
14 < t < 18 seconds
20 < t < 23 seconds
omit
Question 5
If the object's initial position at t = 0 seconds was 45 meters, N, what was its instantaneous position at exactly 13 seconds?
-36 meters
-153 meters
126 meters
-198 meters
243 meters
omit
Question 6
What was the object's average velocity between t = 10 seconds and t = 18 seconds?
14.40 m/sec
4.50 m/sec
9.00 m/sec
7.20 m/sec
omit
Question 7
What was the object's instantaneous speed at 15 seconds?
18 m/sec
0 m/sec
cannot be determined
9.00 m/sec
omit
Question 8
What was the object's average speed for the entire 25 seconds?
15.48 m/sec
9.00 m/sec
0.36 m/sec
19.35 m/sec
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