1. One Dimensional Motion

2. Distance How far something has moved

3. Distance Scalar quantity

4. Displacement How far something is from its starting position

5. Displacement A vector quantity

6. Time The interval between two occurrences

7. Uniform Motion Equal displacement occurs during successive equal time intervals

8. Uniform Motion Velocity is constant during uniform motion

10. Distance vs Time Graph

11. Slope Slope = rise/run Slope =  y/  x

12. Slope On a distance vs time graph: Slope =  d/  t

13. Slope Slope =  d/  t Slope = velocity

14. Average Velocity v =  d/  t v = d 1 – d 0 t 1 – t 0

15. Displacement d 1 = d 0 + vt 1 d = d 0 + vt

17. Distance vs Time Graph

20. Acceleration a =  v/  t a = v 1 - v 0  t 1 - t 0

21. Velocity v = v 0 + at v f = v i + at

22. Displacement d = d 0 + v 0 t + ½ at 2

23. Displacement d f = d i + v i t + ½ at 2

24. v 2 = v 0 2 + 2 a(d 1 – d 0 ) v 2 = v 0 2 + 2ad

25. v f 2 = v i 2 + 2ad

26. v = v 0 + at d = d 0 + v 0 t + ½ at 2 v 2 = v 0 2 + 2ad

27. v = v 0 + at v f = v i + at

28. d = d 0 + v 0 t + ½ at 2 d f = d i + v i t + ½ at 2

29. d f = d i + v i t + ½ at 2 d = v i t + ½ at 2

30. v 2 = v 0 2 + 2ad v f 2 = v i 2 + 2ad

31. v f = v i + at d = v i t + ½ at 2 v f 2 = v i 2 + 2ad

32. Drill A ball is dropped from 490 m. Calculate its: v f & t air

33. A car starts 200.0 m west of town, and moves at 15 m/s east. 1) write its best equation 2) where will the car be at 10.0 s 3) When will the car be in town

34. Determining Instantaneous Velocity 1)Graph the  d/  t data 2)Draw tangent to point of interest 3)Determine slope of tangent

38. Velocity vs Time Graphs

39. a = slope d = xy or vt d = area

40. a = slope =  y/  x =  v/  t = 62/5 = 12.4 m/s 2

41. d = area under curve

42. Define each of the following DistanceDisplacement SpeedVelocity Acceleration

43. Describe the motion for each series

44. Drill: The velocity of a car is increased from 25 to 75 m/s west in 10.0 s. Calculate: a & d

45. v f = v i + at d = v i t + ½ at 2 v f 2 = v i 2 + 2ad

46. Describe the motion between each interval

47. Describe the motion of each series

48. Draw a position time graph for a person who walks uniformly from the positive side of the origin back thru the origin to the negative side. Repeat for the negative side.

49. Make the following conversions: a) 10 m/s to km/hr b) 72 mph to m/s 1.6 km/mile

50. Draw a position time graph of a person who walks one block briskly, waits at a traffic light, walks the next block slowly, waits at another light, then runs the last block.

51. A truck starts 400.0 m east of town, and moves at 12 m/s west Find the time & place where the car from the last problem & the truck will be at the same place

52. A car increases its velocity from 4.0 m/s to 36 m/s over 4.0 s. Calculate: a & d

53. The same car slows from 36 m/s to 15 m/s in 3.0 s. 1) Calculate the average acceleration & dis

54. A car accelerates from 15 m/s to 25 m/s in 125 m. 1) Calculate its time & acceleration

55. Drill:A car is coasting backwards at 3.0 m/s when its engine starts. After 2.5 s the car is going 4.5 m/s. Calculate a & d

56. Motion Variables: v i v f a t d

57. Make a chart like the one to the right vivfatdvivfatd

58. A car going 4.0 m/s accelerates at 3.0 m/s 2 for 4.0 s. 1) Calculate: v f & d

59. A car slows from 44 m/s to 22 m/s in 11 s. Calculate: a & d

60. Motion Affected by Gravity

61. Gravity A force of attraction between two masses

62. Gravity This force causes objects to accelerate towards each other

63. Gravity The acceleration of gravity is relatively constant over the Earth’s surface

64. Acceleration of Gravity (a g or g) 9.81 m/s 2 Down or (-)

65. Gravity Any object in air will have a vertical acceleration of -9.81 m/s 2

66. A ball is dropped from a 0.49 km cliff. The acceleration of gravity is -9.8 m/s 2. Calculate: v max & t

67. HW: A ball is thrown straight up at 19.6 m/s. The acceleration of gravity is -9.8 m/s 2. Calculate: h max & t air

68. Drill: A ball is dropped from a ledge & lands 8.0 s later. Calculate: h ledge & v max

69. Homework Problems: 27 – 30 Page 103

70. Drill A ball drops from 0.49 km. Calculate: t air & v max

71. A man on the ground shoots a gun straight up & the bullet exits the barrel at 980 m/s. The acceleration of gravity is -9.8 m/s 2. Calculate its t air, v f, & h max

72. A ball was dropped & landed at 70.0 m/s. The acceleration of gravity is -9.8 m/s 2. 1) Calculate: d & t air

73. A pumpkin was dropped from a plane & stayed in air for 10.0 s. The acceleration of gravity is -9.81 m/s 2. Calculate: h & v max.

74. Homework Problems: 31 - 33 Page 106

75. A cannon on a 2500 m cliff is fired straight up & the ball exits the barrel at 0.98 km/s. The acceleration of gravity is -9.8 m/s 2. Calculate its t air, v f, & h max

76. A ball is shot straight up to a height of 1.96 km. The acceleration of gravity is -9.8 m/s 2. Calculate: t air & v i

77. Drill: A car increases its velocity from 36 km/hr to 72 km/hr in 5.0 s. Calculate: a & d

78. A car rolling backwards at 5.0 m/s accelerates at 3.0 m/s 2 for 4.0 s. Calculate: v final & d

79. A car rolling backwards at 25.0 m/s accelerates at 5.0 m/s 2 for 12.0 s. Calculate: v f & d

80. Homework Problems: 58 - 60 Page 112 & 113

81. Drill: A ball is thrown straight up at 9800 cm/s. Calculate: t air & h max

82. A ball is thrown straight down at 25 m/s & stays in air for 4.0 s. g = -9.8 m/s 2 Calculate: initial height & v f of the ball.

83. A ball is thrown straight up to a height of 49 m. g = -9.8 m/s 2 Calculate: v i & t air

84. Homework Problems: 66 - 68 Page 114

85. Drill: A ball is thrown straight sideways & lands in 5.0 s. Calculate: initial height & v max down

86. A car rolling backwards at 5.0 m/s accelerates to 11 m/s forward in 4.0 s. Calculate: a & d during that time.

87. A car going 36 km/hr slams on brakes, but still hits a tree at 6.0 km/hr after 1.0 s. Calculate: a & d during that time.

93. Drill: A ball is thrown straight up and hits the ground in 6.0 sec. Calculate: h max & v i

94. Test Date Wednesday 10/25/06

95. Classwork Work Problem Section B on pages 56 & 57 in the gray Physics Book.

96. Drill: A car goes from 36 km/hr to 54 km/hr in 5.0 s. Calculate: a & d during that time.

97. Matching Stuff Formulas Definitions Units

98. Definitions MotionPosition VelocitySpeed DistanceDisplacement TimeAcceleration

99. Units Displacement Time Velocity Acceleration

101. A ball is thrown straight up at 49 m/s. Calculate: t air & h max

102. A car rolling backwards at 6.0 km/hr accelerates to 30.0 km/hr forward in 6.0 s. Calculate: a & d during that time.

103. A ball is thrown straight up to a height of 490 m. Calculate: t air & v i