Practice Test - Speed, Distance, Time Acceleration
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Last updated over 3 years ago
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Question 1
1.
At 0 s a car was moving at a speed of 5 m/s. After 5 s, its speed increased to 20 m/s. What was the acceleration during this time?
Equation:
Acceleration = velocity / time
A= (vf - vi)/t
Question 2
2.
Solve the following vector questions by adding or subtracting the vector arrows
Question 3
3.
Write a Paragraph.
A) What is acceleration?
B) What is negative and positive acceleration?
C) Explain one example of an object negatively accelerating and one example of an object positively accelerating. (4-6 sentences).
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
Question 11
11.
Question 12
12.
What is constant speed?
Question 13
13.
Jerry walked from his house to the store (Target) in a straight path. In this problem, displacement and distance are the same. Why is distance the same as displacement in this case? (1-2 full sentences)
Question 14
14.
Jerry leaves his house and heads to the park. After the park Jerry goes to the gym and then home. In this problem, the displacement is 0 m/s. Why is the displacement zero in this case? (1-2 full sentences)
Question 15
15.
Question 16
16.
Label the motion terms with, A-E
Question 17
17.
Resolve the vector quantities
Question 18
18.
What did you learn so far: Choose one of the following topics and write a paragraph about your topic. Explain the important details about your your topic. Which topic did you choose? What is it? Are there calculations or special rules - if so, what are they? How is this topic useful and why is it important? (4-5 Sentences)
Topics:
Velocity
Force
Displacement
Acceleration
Reference Point
Question 19
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Question 20
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Question 21
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Question 22
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Question 23
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Question 24
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Question 25
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Question 26
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Question 27
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Question 28
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Question 29
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Question 30
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Question 31
31.
A rocket started at rest. After initiating the launch, it had an acceleration of 90 m/s2. How long did it take to reach a speed of 2430 m/s?
A= (vf - vi)/t
Question 32
32.
If a 2kg bird is pushed by the wind with a force of 2 N, how fast does the bird accelerate?
* N = kg x m/s2
Force = mass x acceleration
F = m x a
Question 33
33.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
* N = kg x m/s2
Force = mass x acceleration
F = m x a
Categorize the following examples with the correct word(s): positive acceleration, negative acceleration, or no acceleration.
The dog runs in circles to chase his tail
The motorcycle slowed down as it approached the yield sign
The swimmer swims at the same constant speed throughout the entire race
The ball increases speed as it rolls down the ramp
Positive acceleration
Negative acceleration
No acceleration
The speed of an object at a specific moment in time is called...
Velocity
Average speed
Instantaneous speed
Constant speed
A car drives at a speed of 30 mph in the first hour, then 20 mph in the second hour. 25 mph would be the cars _______________ speed.
average speed
instantaneous speed
constant speed
acceleration
Velocity is a vector measurement because it has both a magnitude and a________.
Temperature
Speed
Direction
Time
Distance
A plane is traveling at a speed of 1000 miles per hour from the airport to New York. New York is East from Los Angeles. Which of the following represents the planes velocity?
200 miles per hour
250 miles per hour East
500 miles per hour West
1000 miles per hour East
What are the units for velocity
kg x m/s
m/s2
m/s
s
N
m
What are the units for acceleration
N
kg x m/s
s
m
m/s2
m/s
What are the units for force?
m/s
s
m
N
kg x m/s
m/s2
Categorize the following examples with the correct word (s): velocity, speed, or acceleration.
The tornado is traveling northwest at 20 mph
The runner sped up to cross the finish line
A snail can crawl 2 meters in 2 hours
Speed
Velocity
acceleration
Which of the following objects is accelerating?
A car driving south at a constant speed of 45 mph.
A car driving in a northwest at a constant speed of 35 mph.
A car driving in a circle at a constant speed of 35 mph.
Back
A car driving southwest at a constant speed of 35 mph.
What is happening in this graph from point A to B?
The object is moving at a constant speed.
The object is decelerating.
The object is accelerating.
The object is not moving.
Which graph shows the object standing still?
C
A
D
B
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.
24 m/s2
30 m/s
9 m/s2
81 km/hr
The picture of the position vs. time graph shows an object that is...
accelerating/speeding up
moving at a constant speed
accelerating/slowing down.
not moving
A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?
-0.5 m/s2
7.5 mi//hr
-7.5 m/s2
-7.5 m/s
Which section of the graph shows constant velocity?