Physics Principles and Problems 2009

Section 3.2 : Motion with Constant Acceleration

Self-Check Quizzes

1
In the equation for final velocity with average acceleration, the final velocity is equal to the _____ velocity plus the product of the average acceleration and time interval.
A)average
B)final
C)initial
D)negative
2
The v-t graph shown represents the motion of a car moving forward. What is the car's displacement at t= 2s?

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  Need a Hint?
A)8 m
B)16 m
C)24 m
D)32 m
3
Find the uniform acceleration that causes a car's velocity to change from 27 m/s to 45 m/s in a 60-s period.
A)3.0 m/s
B)3.0 m/s2
C)18.0 m/s2
D)18.0 m/s
4
How far does a car travel in 30.0 s while its velocity is changing from 50.0 km/h to 80.0 km/h at a uniform rate of acceleration?
A)252 m
B)1.95 x 103 m
C)1.08 x 103 m
D)5.40 x 102
5
How long will it take an airplane at rest that accelerates uniformly at 2.5 m/s2 to reach a ground velocity of 7.0 x 101 m/s that is required for takeoff?
A)4 s
B)11 s
C)28 s
D)35 s
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