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Acceleration And Graph Practice
Test Description: Practice for Kinematics Quiz #2
Instructions: Answer all questions to get your test result.
1) Objects accelerate when...
A
they change direction
B
they slow down
C
all are correct
D
they speed up
2) What is the correct SI unit for acceleration?
A
m/s^2
B
mph
C
m/s/s
D
both m/s/s and m/s^2 are correct
3) Which motion graph shows an objects acceleration?
A
Velocity vs Time
B
Acceleration vs Time
C
Distance vs Time
D
You can not graph acceleration
4) Which motion graph shows an objects Speed?
A
You can not graph speed.
B
Distance vs Time
C
Velocity vs Time
D
Acceleration vs Time
5) What is the equation used to find an objects acceleration?
A
A= Vi-Vf / Ti-Tf
B
A= Vf-Vi / Tf-Ti
C
A= Vf + Vi / Tf + Ti
D
A= Vf-Tf / Vi-Ti
6) on a Speed vs Time graph, what does a line going down (back towards zero) represent?
A
an object accelerating
B
An object at rest
C
an object decelerating (slowing down)
D
an object moving at a constant speed
7) Josh is riding is bike in a straight line. He speeds up from 4m/s to 6m/s in 5 seconds. What was his acceleration?
A
-0.4 m/s^2
B
2 m/s^2
C
0.4 m/s^2
D
2.5 m/s^2
8) On a distance vs time graph, what does a horizontal straight represent?
A
An object at rest
B
An object returning to the point of origin.
C
An object moving with constant speed
D
An object decelerating
9) Cody's Car accelerates from 0 m/s to 45 m/s northward in 15s. What is the acceleration of the car?
A
-3 m/s^2
B
657 m/s^2
C
0.33 m/s^2
D
3 m/s^2
10) How long would it take Jesse with an acceleration of -3 m/s^2 to bring his skateboard to a compete stop if it had an initial velocity of 5m/s?
A
15 seconds
B
-2 seconds
C
-1.6 seconds
D
1.6 seconds
*select an answer for all questions
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