1. Chapter 11
Review Game

2. Question 1
An expression for ______________ is (vf – vi)/t.

3. Answer 1
Acceleration

4. Question 2
A quantity that has both magnitude and direction is called a(n) __________.

5. Answer 2
vector

6. Question 3
The total distance traveled divided by the total time is ____________.

7. Answer
Average Speed

8. Question 4
The speed-time graph in which data points form a straight line is an example of a(n) ___________ graph.

9. Answer 4
linear

10. Question
Common units for ____________ include meters per second (m/s)

11. Answer
speed

12. Question
In order to accurately and completely describe the motion of an object, a(n) _______________ is necessary.

13. Answer
Frame of reference

14. Question
You can determine __________ by measuring the length of the actual path between two points in space.

15. Answer
distance

16. Question
Two or more vectors combine to form a(n) ______________.

17. Answer
resultant

18. Question
Objects in ___________ accelerate at 9.8 m/s2.

19. Answer
Free fall

20. Question
A curve often connects data points on a(n) ____________ graph.

21. Answer
nonlinear

22. Question
Together, the speed and direction in which an object is moving are called ___________.

23. Answer
velocity

24. Question
Movement in relation to a frame of reference is ______________.

25. Answer
Relative motion

26. Question
____________ is the direction from the starting point and the length of a straight line from the starting point to the ending point.

27. Answer
Displacement

28. Question
___________ is the rate at which an object is moving at a given moment in time.

29. Answer
Instantaneous speed

30. Question
The slope of a line on a distance-time graph is ___________.

31. Answer
speed

32. Question
Name 3 ways an object can accelerate. (1 point each)

33. Answer
Speed up, slow down, turn

34. Question
The slope of a speed-time graph is ______________.

35. Answer
Acceleration

36. Question
Calculate the average speed during the first 5 hours of the trip (in km/h)

37. Answer
3/5 km/h or 0.6 km/h

38. Question
Calculate the average speed during the interval 8 h to 12 h. (in km/h)

39. Answer
2 km/h

40. Question
Danica Patrick completed a race in hours. What was Danica’s average speed during the mile race? (in mi/h)

41. Answer
157.5 mi/h

42. Question
The slowest animal every discovered was a crab found in the Red Sea. It traveled with an average speed of 5.70 km/year. How long would it take this crab to travel 100. km? (Put your answer in units of years).

43. Answer
17.5 years

44. Question
Grace is driving her sports car at 30 m/s when a ball rolls out into the street in front of her. Grace slams on the brakes and comes to a stop in 3.0 s. What was the acceleration of Grace’s car?

45. Answer
-10 m/s2

46. Question
While driving his sports car at 20.0 m/s down a four lane highway, Eddie comes up behind a slow moving dump truck and decides to pass it in the left hand lane. If Eddie can accelerate at 5.00 m/s2, how long will it take for him to reach a speed of 30.0 m/s?

47. Answer
2 seconds

48. Question
A person walks 5 blocks east and then turns around and walks 5 blocks west, stopping at their original location. What is the person’s displacement?

49. Answer
zero

50. Question
A passenger in the rear seat of a car moving at a steady speed is at rest relative to:
The side of the road
A pedestrian on the corner ahead
The front seat of the car
The wheels of car

51. Answer C

52. Question What distance can be most accurately measured with a ruler?
The length of a river
The width of a book
The distance between two cities
The size of an object under a microscope

53. Answer
B – the width of a book

54. Question
A person drives north 3 blocks, then turns east and drives 3 blocks. The driver then turns south and drives 3 blocks. How could the driver have made the distance shorter while maintaining he same displacement?
By driving east 3 blocks from the starting point
By driving north 1 block and east 4 blocks
By driving west 3 blocks from the starting point
By driving back to the starting point by the same route

55. Answer A

56. Question Speed is the ratio of the distance an object moves to
The amount of time needed to travel the distance
The direction the object moves
The displacement of the object
The motion of the object

57. Answer A

58. Question
A car traveled 88 km in 1 hour, 90 km in the next 2 hours, and then 76 km in 1 hour before reaching its destination. What was the car’s average speed?
254 km/h
63.5 km/h
209 km/h
74.5 km/h

59. Answer B

60. Question Vector addition is used when motion involves
More than one distance
More than one velocity
More than one speed
All of the above

61. Answer B

62. Question
Which example identifies a change in motion that produces acceleration?
A speed skater moving at a constant speed on a straight track
A ball moving at a constant speed around a circular track
A particle moving in a vacuum at constant velocity
A vehicle moving down the street at a steady speed

63. Answer B

64. Question
An object moving at 30 m/s takes 5 s to come to a stop. What is the object’s acceleration?
30 m/s2
-30 m/s2
-6 m/s2
6 m/s2

65. Answer C

66. Question
A person walks 1 mile every day for exercise, leaving her front porch at 9:00 A.M. and returning to her front porch at 9:25 A.M. What is the total displacement of her daily walk?
1 mile
25 minutes
None of the above

67. Answer

68. Question
A ball is rolled uphill a distance of 3 meters before it slows, stops, and begins to roll back. The ball rolls downhill 6 meters before coming to rest against a tree. What is the magnitude of the ball’s displacement?
3 meters
6 meters
9 meters
18 meters

69. Answer A

70. Question Instantaneous speed is measured At the starting point
When the object reaches its destination
At a particular instant
Over the duration of the trip

71. Answer C

72. Question The slope of a line on a distance-time graph is Distance Time
Speed
Displacement

73. Answer C

74. Question The rate at which velocity changes is Speed Vectors
Acceleration
Motion

75. Answer C

76. Question Objects in free fall near the surface of the Earth experience
Constant speed
Constant velocity
Constant acceleration
Constant distance

77. Answer C

78. Question
Suppose you increase your walking speed from 1 m/s to 3 m/s in a period of 2 s. What is your acceleration?
1 m/s2
2 m/s2
4 m/s2
6 m/s2

79. Answer A

80. Question The slope of a speed-time graph indicates Direction
Acceleration
Velocity
Speed

81. Answer B

82. Question An object that is accelerating may be Slowing down
Gaining speed
Changing direction
All of the above

83. Answer D

84. Question
Displacement and velocity are examples of ___________________________ because they have both direction and magnitude.

85. Answer
Vectors

86. Question
The SI unit for measuring __________________________ is the meter.

87. Answer
Distance

88. Question
A car’s speedometer measures _______________________________.

89. Answer
Instantaneous Speed

90. Question
Freely falling objects accelerate at 9.8 m/s2 because the force of __________________________ acts on them.

91. Answer
Gravity

92. Question
What is the displacement between the following two points: START (6, 9) and FINISH (5, 1)?

93. Answer 8

94. Question
What is the speed of a car that travels 150 km in 3.00 hrs?

95. Answer
50 km/h

96. Question
How long will it take to go 150 km traveling at 50 km/hr?

97. Answer
3 hr

98. Question
What is the acceleration of a car that goes form 40 km/hr to 80 km/hr in 2 h?

99. Answer
20 km/h2

100. Question
A vehicle goes from 5 m/s to 45 m/s in 8 s. What is its acceleration?

101. Answer
5 m/s2