Tennessee Science Grade 7

Chapter 13: Forces and Changes in Motion

Calculate Acceleration

1
You are sledding on a snow-covered hill at a speed of 6 m/s. There is a drop that increases your speed to 12 m/s in 4 s. Find your acceleration.
A)1.5 m/s2
B)2 m/s2
C)2.5 m/s2
D)3 m/s2
2
You are snowboarding on a snow-covered hill at a speed of 8 m/s. There is a drop that increases your speed to 14 m/s in 3 s. Find your acceleration.
A)2 m/s2
B)1.5 m/s2
C)2.5 m/s2
D)3 m/s2
3
You are skiing on a snow-covered hill at a speed of 12 m/s. There is a drop that increases your speed to 18 m/s in 2 s. Find your acceleration.
A)3 m/s2
B)3.5 m/s2
C)4 m/s2
D)5 m/s2
4
You are ice skating on a rink at a speed of 4 m/s. There is a drop that increases your speed to 6 m/s in 4 s. Find your acceleration.
A)0.5 m/s2
B)0.9 m/s2
C)1.5 m/s2
D)2 m/s2
5
The roller coaster you are on is moving at 12 m/s. 7 s later it does a loop-the-loop and is moving at 26 m/s. What is the roller coaster's acceleration over this time?
A)2 m/s2
B)3 m/s2
C)3.5 m/s2
D)2.2 m/s2
6
The water ride you are on is moving at 14 m/s. 5 s later it is moving at 16 m/s. What is the water ride's acceleration over this time?
A)0.4 m/s2
B)0.2 m/s2
C)1 m/s2
D)1.4 m/s2
7
The roller coaster you are on is moving at 16 m/s. 6 s later it does a loop-the-loop and is moving at 32 m/s. What is the roller coaster's acceleration over this time?
A)2.7 m/s2
B)4.2 m/s2
C)7.4 m/s2
D)9 m/s2
8
The ferris wheel you are on is moving at 8 m/s. 10 s later it is moving at 10 m/s. What is the ferris wheel's acceleration over this time?
A)0.2 m/s2
B)0.8 m/s2
C)1.4 m/s2
D)2 m/s2
9
The truck you are riding in is slowing down for a stoplight. It was initially traveling at 20 m/s and comes to a stop in 10 s. What's the car's acceleration?
A)-2m/s2
B)-6 m/s2
C)-8 m/s2
D)-12 m/s2
10
The bus you are riding in is slowing down for a stoplight. It was initially traveling at 18 m/s and comes to a stop in 8 s. What's the bus' acceleration?
A)2.25 m/s2
B)1.25 m/s2
C)1.75 m/s2
D)2 m/s2
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