Book M Ch 1 Test
25 Questions
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Questions and Answers
- 1.Occurs when an object speeds up, slows down, or turns.
- A.
Inertia
- B.
Acceleration
- 2.Total distance traveled divided by the total time it took to travel that distance.
- A.
Average speed
- B.
Velocity
- 3.The speed of an object at one instant of time.
- A.
Average speed
- B.
Instantaneous speed
- 4.The measure of how difficult it is to stop a moving object.
- A.
Average speed
- B.
Momentum
- 5.The speed and direction of a moving object
- A.
Velocity
- B.
Inertia
- 6.The distance and direction from a starting point to a stopping point
- A.
Acceleration
- B.
Displacement
- 7.Calculate the speed of a swimmer who swam 150m in 88s. Round to the nearest 10th. ________ m/s. (Put the numeric value only, not the m/s).
- 8.A runner ran 200m in 140s. How fast were they traveling? Round to the nearest 10th. ________ m/s. (Put the numeric value only, not the m/s).
- 9.In a 500m race, a runner finishes in 80.4s. What speed were they running? Round to the nearest 10th. ________ m/s. (Put the numeric value only, not the m/s).
- 10.A girl walked 200 meters north, 100 meters east,and 200 meters south. What is the total distance she traveled in meters? Put the numeric value only.
- 11.A girl walked 200 meters north, 100 meters east,and 200 meters south. What was her displacement? _____m East.
- 12.An object has a speed of 2.00 m/s. Three seconds later it is going 8.00 m/s. What average acceleration did it experience? ______ m/s 2.
- 13.Find the acceleration of an object that speeds up to 52 m/s from 2.60 m/s in 4.8 s. _____ m/s2. Remember to round to the nearest 10th.
- 14.What is the SI unit used for distance?
- A.
Kg
- B.
M
- 15.What is the SI unit for mass?
- A.
Kg
- B.
M
- 16.How is acceleration expressed?
- A.
M/s
- B.
M/s2
- 17.What does a horizontal line on a distance/time graph represent?
- A.
0 speed (stopped)
- B.
No change in accleration
- 18.What does a line sloping upward mean in a Velocity/time graph mean?
- A.
Positive acceleration
- B.
Negative acceleration
- 19.What does a line sloping downward mean in a Velocity/time graph mean?
- A.
Positive acceleration
- B.
Negative acceleration
- 20.The momentum of a falling leaf is ___ than the momentum of a falling pinecone.
- A.
Less than
- B.
Greater than
- 21.A 50 kg object moves with a velocity of 10 m/s. What is its momentum? _______ kg x m/s. (Write the numeric value only).
- 22.Momentum depends upon ____ and ____. Choose the two answers that belong in the blanks.
- A.
Mass
- B.
Volume
- C.
Velocity
- D.
Meters
- E.
Distance
- 23.Choose one of the following to write an essay on. -Why do we say that a merry-go-round is accelerating if it is going a constant speed? -If you hear that a tornado in a town near you is traveling 25 km/h, can you determine if you should seek shelter? -Why would an airplane's displacement be nearly the same as the distance it traveled?
- 24.
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Using this graph, write a short story about what is going on in the graph. You can make up the characters and what they are doing BUT MAKE SURE THE STORY FOLLOWS WHAT THE GRAPH IS TELLING! Also, make sure you tell me if this graph is showing speed or acceleration. - 25.
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Using this graph, write a short story about what is going on in the graph. You can make up the characters and what they are doing BUT MAKE SURE THE STORY FOLLOWS WHAT THE GRAPH IS TELLING! Also, make sure you tell me if this graph is showing speed or acceleration.
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