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Motion/speed
Test Description: Speed and motion graphs
Instructions: Answer all questions to get your test result.
1) What is the speed of a car traveling 80 km in 2 hours?
A
2 km/hr
B
80 km/hr
C
40 km/hr
D
160 km/hr
2) Which is not one of the criteria for acceleration?
A
slowing down
B
speeding up
C
changing directions
D
displacement
3) You can show the motion of an object on a line graph in which you plot distance against
A
Direction
B
Velocity
C
speed
D
time
4) What does a horizontal line on a distance-time graph represent?
A
Constant speed
B
deceleration
C
acceleration
D
no motion
5) If you know the velocity of an object, you know its
A
acceleration
B
speed and direction
C
final speed and initial speed
D
speed
6) A train slowing to a stop is an example of
A
negative acceleration.
B
a driver that doesn't know what he's doing.
C
positive acceleration.
D
speed
7) A cyclist travels 15 m south in 5 minutes. What is his velocity?
A
3 m/s south
B
3 m/s
C
45 m/s
D
45 m/s south
8) Acceleration is
A
the difference between distance and displacement.
B
the change in speed over a given amount of time.
C
moving from one place to another.
D
the rate at which velocity changes.
9) A runner went 25 km in 20 minutes and an additional 20 km in the next 30 minutes. What was the runner's average speed?
A
.9 km/hr
B
25 km/hr
C
150 km/hr
D
5 km/hr
10) In an acceleration graph showing speed-versus-time, a horizontal line shows the acceleration is
A
constant
B
decreasing
C
changing
D
increasing
11) If you know the distance an object has traveled in a certain amount of time, you can determine
A
the location of the object.
B
the size of the object.
C
the speed of the object.
D
the acceleration of the object
*select an answer for all questions
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