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Acceleration
Test Description: Answer the review questions about acceleration.
Instructions: Answer all questions to get your test result.
1) Which of the following is an example of a measurement of acceleration?
A
4m/s^2
B
4m/s
C
4 cm ^3
D
4m
2) If you see a triangle in front of a t, what does it mean?
A
Distance times time
B
Time equals zero
C
Time
D
Change in time
3) Which of the following sets of measurements can be used to calculate acceleration?
A
change in time and change in position
B
time, position, and velocity
C
time and distance
D
change in time, initial velocity and final velocity.
4) Which statement best describes the difference between acceleration and deceleration?
A
Acceleration takes position into account while deceleration does not.
B
Acceleration is measured in m/s^2 while deceleration is not.
C
Deceleration usually refers to an object that is slowing down, while acceleration may not.
D
Deceleration does not require an initial velocity and a final velocity to calculate.
5) Which is not a measurement for deceleration?
A
10.4 km/h²
B
-5.6 km/s²
C
-1.7 m/s²
D
-8.0 m/s
6) What do the following symbols represent? Vi and Vf
A
velocity in two different directions
B
initial velocity and final velocity
C
change in velocity
D
The velocity of Object i and Object f
7) A fox is traveling at a velocity of 2.7 m/s. 3.5 seconds later it is traveling at a velocity of 4.8 m/s. What is the acceleration of the fox?
A
0.75 m/s²
B
0.6 m/s²
C
1.75 m/s²
D
0.9 m/s²
8) Mary is traveling at a speed of 35 m/s sees a squirrel run across the road in front of her and slams on the brakes. Four seconds later she has stopped. What is her acceleration?
A
-8.75 m/s²
B
8.75 m/s²
C
7.85 m/s²
D
-7.85 m/s²
9) A jet approaching a runway at 24m/s west. It comes to a stop in 1.6 s. What was the acceleration the pilot felt during the landing?
A
24 m/s²
B
-15 m/s²
C
-24 m/s²
D
15 m/s²
10) Water rushes down a river with at 2.4 m/s. In 4 seconds it decrease to 0.6 m/s. What is the deceleration of the water?
A
1.80 m/s²
B
0.24 m/s²
C
0.60 m/s²
D
0.45 m/s²
*select an answer for all questions
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