Physical Science: Motion, Forces, and Energy, Book M

Chapter 1: Motion and Momentum

Standardized Test Practice

1.
What is the acceleration between 3 s and 5 s?

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A)0.5 m/s2
B)0.2 m/s2
C)2 m/s2
D)5 m/s2
2.
What is the overall accelertation between 0 s and 5 s?

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A)0.6 m/s2
B)1.3 m/s2
C)1.7 m/s2
D)0.8 m/s2
3.
Which term is used for the tendency of an object to resist a change in its motion?
A)acceleration
B)displacement
C)momentum
D)inertia
4.
What is the momentum of a 37-kg person riding south on an 18-kg bicycle at 1.2 m/s?
A)31 kg•m/s
B)66 kg•m/s
C)44 kg•m/s
D)46 kg•m/s
5.
During which time period is the ball's instantaneous speed the slowest?

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A)between 3 and 4 s
B)between 0 and 1 s
C)between 1 and 2 s
D)between 2 and 3 s
6.
What is the average speed of the ball between 1 s and 4 s?

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A)0.8 m/s
B)0.7 m/s
C)1 m/s
D)1.5 m/s
7.
A car accelerates from 15 m/s to 25 m/s in 15 s. What is the car's acceleration?
A)0.75 m/s2
B)1.5 m/s2
C)0.67 m/s2
D)3.0 m/s2
8.
An acorn falls from a tree and accelerates at 9.8 m/s2. It hits the ground in 0.67 s. What is the speed of the acorn when it hits the ground?
A)6.8 m/s
B)9.1 m/s
C)6.6 m/s
D)15 m/s
9.
What is your displacement if you walk 80 m north, 15 m east, 20 m south, 35 m west, and then 60 m south?
A)20 m east
B)210 m east
C)210 m west
D)20 m west
10.
While standing still on ice, a 36-kg ice skater catches a 1.5-kg ball moving at 4.5 m/s. The ball and skater then move in the ball's original direction. What is their speed?
A)0.19 m/s
B)0.30 m/s
C)0.18 m/s
D)0.36 m/s
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