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