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WorksheetsAverage Acceleration
Total questions: 15
Worksheet time: 19mins
Name
Class
Date
1.
A race car goes from 100 m/s to rest in 25 seconds. What is its acceleration?
a)
-5 m/s2
b)
.4 m/s
c)
-0.25 m/s2
d)
-4 m/s2
2.
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
3.
A ball takes 5 seconds to roll up a slanted hill. It starts with a velocity of 2.5 m/s up the hill and is moving at 0.5 m/s when it reaches the top of the hill. What is the average acceleration?
a)
5 m/s2
b)
0.4 m/s2
c)
-0.4 m/s2
d)
-1 m/s2
4.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
5.
Why does a car accelerate as it turns around a corner at a constant speed?
a)
Its direction changes
b)
It doesn't
c)
It slows down
d)
Its speeds up
6.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
7.
How can acceleration be zero?
a)
a car runs out of gas and slowly rolls to a stop
b)
a car decreases speed at a constant rate until it comes to rest
c)
car has constant speed and is traveling on a straight path
d)
the car travels round trip and is back at the starting point
8.
A box sliding down a hill attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.
a)
30 m/s
b)
24 m/s2
c)
9 m/s2
d)
81 km/hr
9.
Acceleration only takes place when things speed up.
a)
True
b)
False
10.
Which of the following is accelerating?
a)
A cannonball sitting on the ground
b)
A boat traveling at a constant speed in a straight line
c)
A can being crushed under a person's foot
d)
A car going around a curve at a constant speed
11.
A racecar goes from 100 m/s to rest in 25 seconds. What is its acceleration?
a)
-4 m
b)
4 m/s
c)
4 m/s/s
d)
-4 m/s/s
12.
How could a jogger accelerate?
a)
run uphill then downhill
b)
run 10 miles N then run 10 miles back
c)
jog, stop, rest, start again
d)
speed up, slow down, turn corners
13.
Which is an example of a car NOT accelerating?
a)
moving at 80km/h on a flat, straight highway
b)
slowing down to round a corner
c)
speeding up to win the race
d)
crossing the finish line and pulling into the pit
14.
An iguana moving at 1.5 m/s takes off running when Jimmy chases after it. It reaches 6.5 m/s after 4 seconds. What is the average acceleration?
a)
2 m/s2
b)
-1.2 m/s2
c)
1.25 m/s2
d)
0.8 m/s2
15.
A radio wave travels at 400 m/s, but is interrupted by radio waves from a different radio station. It slows to 150 m/s after 5 seconds, what is its average acceleration?
a)
-50 m/s2
b)
110 m/s2
c)
-14.3 m/s2
d)
30 m/s2
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