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RED SLIDE: These are notes that are very important and should be recorded in your science journal. Copyright © 2010 Ryan P. Murphy.

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Presentation on theme: "RED SLIDE: These are notes that are very important and should be recorded in your science journal. Copyright © 2010 Ryan P. Murphy."— Presentation transcript:

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3 RED SLIDE: These are notes that are very important and should be recorded in your science journal. Copyright © 2010 Ryan P. Murphy

4 -Nice neat notes that are legible and use indentations when appropriate.

5 -Nice neat notes that are legible and use indentations when appropriate. -Example of indent.

6 -Nice neat notes that are legible and use indentations when appropriate. -Example of indent. -Skip a line between topics

7 -Nice neat notes that are legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Make visuals clear and well drawn.

8 -Nice neat notes that are legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Make visuals clear and well drawn. Please label. Effort Arm Resistance Arm

9 RED SLIDE: These are notes that are very important and should be recorded in your science journal. BLACK SLIDE: Pay attention, follow directions, complete projects as described and answer required questions neatly. Copyright © 2010 Ryan P. Murphy

10 Keep an eye out for “The-Owl” and raise your hand as soon as you see him. –He will be hiding somewhere in the slideshow Copyright © 2010 Ryan P. Murphy

11 Keep an eye out for “The-Owl” and raise your hand as soon as you see him. –He will be hiding somewhere in the slideshow “Hoot, Hoot” “Good Luck!” Copyright © 2010 Ryan P. Murphy

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13 Available worksheet, PE, KE, and ME.

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17 Forces in Motion, Speed, Velocity, Acceleration and more available sheet.

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20 Kinetic energy is a scalar quantity; as it does not have a direction. –Velocity, acceleration, force, and momentum, are vectors. A quantity having direction as well as magnitude

21 Kinetic energy is a scalar quantity; as it does not have a direction. –Velocity, acceleration, force, and momentum, are vectors. A quantity having direction as well as magnitude

22 Kinetic energy is a scalar quantity; as it does not have a direction. –Velocity, acceleration, force, and momentum, are vectors. A quantity having direction as well as magnitude

23 Kinetic energy is a scalar quantity; as it does not have a direction. –Velocity, acceleration, force, and momentum, are vectors. A quantity having direction as well as magnitude

24 Kinetic energy is a scalar quantity; as it does not have a direction. –Velocity, acceleration, force, and momentum, are vectors. A quantity having direction as well as magnitude

25 Kinetic energy is a scalar quantity; as it does not have a direction. –Velocity, acceleration, force, and momentum, are vectors. A quantity having direction as well as magnitude Magnitude is just the measurement without direction

26 Kinetic energy is a scalar quantity; as it does not have a direction. –Velocity, acceleration, force, and momentum, are vectors. A quantity having direction as well as magnitude Magnitude is just the measurement without direction

27 How you can remember the difference between the two…

28 Scales are still / Don’t have direction

29 How you can remember the difference between the two… Scales are still / Don’t have direction Just a cool fighter pilot name, Jet Pilots travel with direction.

30 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

31 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

32 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

33 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

34 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

35 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

36 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

37 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

38 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

39 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

40 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

41 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction.

42 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction.

43 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction.

44 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction.

45 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction.

46 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction.

47 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction.

48 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction.

49 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction.

50 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction.

51 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction.

52 Which are scalar quantities? –Magnitude only Which are vector quantities? –Magnitude and direction. Magnitude is just the measurement without direction

53 Video Link! (Optional) Scalers and Vectors. –http://www.youtube.com/watch?v=EUrMI0DIh40http://www.youtube.com/watch?v=EUrMI0DIh40

54 Speed: A measure of motion, = distance divided by time. D/T Speed: A measure of motion, = distance divided by time. D/T Copyright © 2010 Ryan P. Murphy

55 Speed: A measure of motion, = distance divided by time. D/T Speed: A measure of motion, = distance divided by time. D/T Copyright © 2010 Ryan P. Murphy

56 Speed: A measure of motion, = distance divided by time. D/T Speed: A measure of motion, = distance divided by time. D/T Copyright © 2010 Ryan P. Murphy Speed is the rate of motion, or the rate of change of position.

57 Speed: A measure of motion, = distance divided by time. D/T Speed: A measure of motion, = distance divided by time. D/T Copyright © 2010 Ryan P. Murphy Speed is the rate of motion, or the rate of change of position. Can only be zero or positive.

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59 Distance =

60 Distance = Speed ● Time

61 How far did Joe walk if he walked a steady 4 km/h for three straight hours?

62 Distance = Speed ● Time

63 How far did Joe walk if he walked a steady 4 km/h for three straight hours? Distance = Speed ● Time Distance = 4 km/h ● 3 h

64 How far did Joe walk if he walked a steady 4 km/h for three straight hours? Distance = Speed ● Time Distance = 4 km/h ● 3 h Distance =

65 How far did Joe walk if he walked a steady 4 km/h for three straight hours? Distance = Speed ● Time Distance = 4 km/h ● 3 h Distance = 12 km

66 Distance Speed = --------------- Time

67 What is Joes speed if he walked a steady 5 km in one hour? Rate / Speed R =

68 What is Joes speed if he walked a steady 5 km in one hour? Rate / Speed R = 5 km 1 hour or 5 km/hr

69 What is Joes speed if he walked 5 km in one hour? Rate / Speed R = 5 km 1 hour or 5 km/hr

70 Juan travels 300km in 6hrs. Find his average speed in km/h.

71 Speed = Distance / Time

72 Juan travels 300km in 6hrs. Find his average speed in km/h. Speed = Distance / Time 300km Speed = ------------ = 50 km/h 6h

73 Juan travels 300km in 6hrs. Find his average speed in km/h. Speed = Distance / Time 300km 50km Speed = ------------ = --------- 6h h

74 Distance Time = --------------- Speed

75 Marlene drove 500 km at an average speed of 50 km/h? How long did she drive?

76 Time = Distance / Speed

77 Marlene drove 500 km at an average speed of 50 km/h? How long did she drive? Time = Distance / Speed 500km Time = ------------ = _____h 50km/h

78 Marlene drove 500 km at an average speed of 50 km/h? How long did she drive? Time = Distance / Speed 500km Time = ------------ = _____h 50km/h

79 Marlene drove 500 km at an average speed of 50 km/h? How long did she drive? Time = Distance / Speed 500km Time = ------------ = 10h 50km/h

80 Velocity = (distance / time) and direction. Velocity = (distance / time) and direction. Copyright © 2010 Ryan P. Murphy

81 Velocity = (distance / time) and direction. Velocity = (distance / time) and direction. Copyright © 2010 Ryan P. Murphy

82 Velocity = (distance / time) and direction. Velocity = (distance / time) and direction. Copyright © 2010 Ryan P. Murphy

83 Video Link! Speed vs. Velocity Song. TMBG –http://www.youtube.com/watch?v=DRb5PSxJerMhttp://www.youtube.com/watch?v=DRb5PSxJerM Copyright © 2010 Ryan P. Murphy

84 Velocity = –S is replaced with V because velocity is speed and direction. (Vector) Copyright © 2010 Ryan P. Murphy

85 Velocity = –S is replaced with V because velocity is speed and direction. (Vector) Copyright © 2010 Ryan P. Murphy = Change Delta

86 Velocity = –S is replaced with V because velocity is speed and direction. (Vector) Copyright © 2010 Ryan P. Murphy = Change Delta

87 Velocity = –S is replaced with V because velocity is speed and direction. (Vector) Copyright © 2010 Ryan P. Murphy = Change Delta

88 Velocity = –S is replaced with V because velocity is speed and direction. (Vector) Copyright © 2010 Ryan P. Murphy = Change Delta

89 What’s Joes velocity if he walked 4 kilometers East in one hour? 4 km East 4 km V = ----------- = 4 km/hr/east 1 hour Copyright © 2010 Ryan P. Murphy

90 What’s Joes velocity if he walked 4 kilometers East in one hour? 4 km East 4km km V = ----------- = 4 hr/east 1 hour Copyright © 2010 Ryan P. Murphy 4 km hr East

91 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy

92 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy

93 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 50m 60m 30m 100m

94 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 50m 60m 30m 100m

95 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 50m 60m 30m 100m 178.88m

96 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 50m 60m 30m 100m 178.88m

97 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 50m 60m 30m 100m 178.88m

98 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 50m 60m 30m 100m 178.88m 80m

99 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 50m 60m 30m 100m 178.88m 80m

100 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 50m 60m 30m 100m 178.88m 80m

101 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 50m 60m 30m 100m 178.88m 80m 160m

102 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 178.88m 80m 160m

103 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 178.88m 80m 160m Now use Pythagorean Theorem A²+B²=C²

104 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 178.88m 80m 160m Now use Pythagorean Theorem A²+B²=C² 80m² = 6400 m 160m² = 25,600m

105 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 178.88m 80m 160m Now use Pythagorean Theorem A²+B²=C² 80m² = 6400 m 160m² = 25,600m 6400 m + 25,600 m = 32,000 m

106 Velocity deals with displacement. –Displacement measures where you end up relative to where you started. Copyright © 2010 Ryan P. Murphy 178.88m 80m 160m Now use Pythagorean Theorem A²+B²=C² 80m² = 6400 m 160m² = 25,600m 6400 m + 25,600 m = 32,000 m √ 32000m = 178.88m

107 Find the displacement. Copyright © 2010 Ryan P. Murphy 50m 20m

108 Find the displacement. Copyright © 2010 Ryan P. Murphy 50m 20m

109 Find the displacement. Copyright © 2010 Ryan P. Murphy 50m 20m 40m

110 Find the displacement. Copyright © 2010 Ryan P. Murphy 50m 20m 40m

111 Find the displacement. Copyright © 2010 Ryan P. Murphy 50m 20m 40m 100m

112 Find the displacement. Copyright © 2010 Ryan P. Murphy 40m 100m Now use Pythagorean Theorem A²+B²=C²

113 Find the displacement. Copyright © 2010 Ryan P. Murphy 40m 100m Now use Pythagorean Theorem A²+B²=C² 40m²= 1600m 100m²= 10000m

114 Find the displacement. Copyright © 2010 Ryan P. Murphy 40m 100m Now use Pythagorean Theorem A²+B²=C² 40m²= 1600m 100m²= 10000m 1600m + 10000m = 11600 m

115 Find the displacement. Copyright © 2010 Ryan P. Murphy 40m 100m Now use Pythagorean Theorem A²+B²=C² 40m²= 1600m 100m²= 10000m 1600m + 10000m = 11600 m √11,600m = 107.7 m 107.7m

116 Find the displacement. Copyright © 2010 Ryan P. Murphy 50m 10m 20m 100m

117 Find the displacement. –Trick question: If you travel a distance and return to the same place your displacement is zero and your velocity is zero. Copyright © 2010 Ryan P. Murphy 50m 10m 20m 100m

118 The speed of the car is 80 km / hr. Copyright © 2010 Ryan P. Murphy

119 The velocity of the car is 80 km / hr / West. Copyright © 2010 Ryan P. Murphy

120 The velocity of the plane is 300 km / hr / West. Copyright © 2010 Ryan P. Murphy

121 The velocity of the plane is 300 km / hr / West. Copyright © 2010 Ryan P. Murphy

122 The velocity of the plane is 300 km / hr / West. Copyright © 2010 Ryan P. Murphy

123 The speed of the plane is 300 km / hr

124 Copyright © 2010 Ryan P. Murphy The speed of the plane is 300 km / hr

125 Copyright © 2010 Ryan P. Murphy The speed of the plane is 300 km / hr Speed and Velocity Calculations and problems. Learn more at…. http://www2.franciscan.edu/academic/mathsci/mathscienceinte gation/MathScienceIntegation-827.htm http://www2.franciscan.edu/academic/mathsci/mathscienceinte gation/MathScienceIntegation-827.htm

126 It took Lightning McGreen 2.5 hours to travel 600 kilometers. –How fast was he going in Kilometers an hour? Copyright © 2010 Ryan P. Murphy

127 Forces in Motion, Speed, Velocity, Acceleration and more available sheet.

128 It took Lightning McGreen 2.5 hours to travel 600 kilometers. –How fast was he going in Kilometers an hour? Copyright © 2010 Ryan P. Murphy

129 It took Lightning McGreen 2.5 hours to travel 600 kilometers. –How fast was he going in Kilometers an hour? Copyright © 2010 Ryan P. Murphy

130 It took Lightning McGreen 2.5 hours to travel 600 kilometers. –How fast was he going in Kilometers an hour? Copyright © 2010 Ryan P. Murphy Speed = Distance / Time

131 It took Lightning McGreen 2.5 hours to travel 600 kilometers. –How fast was he going in Kilometers an hour? Copyright © 2010 Ryan P. Murphy Speed = Distance / Time

132 It took Lightning McGreen 2.5 hours to travel 600 kilometers. –How fast was he going in Kilometers an hour? Copyright © 2010 Ryan P. Murphy Speed = Distance / Time Speed = 600 km / 2.5 h

133 It took Lightning McGreen 2.5 hours to travel 600 kilometers. –How fast was he going in Kilometers an hour? Copyright © 2010 Ryan P. Murphy Speed = Distance / Time Speed = 600 km / 2.5 h Speed = 240 km/h

134 Answer: 240 km/h –Speed is distance over time. Copyright © 2010 Ryan P. Murphy

135 Forces in Motion, Speed, Velocity, Acceleration and more available sheet.

136 It took Ms. Rally 4 hours to travel 165 kilometers due North. –What was the velocity of her car in Kilometers an hour? Copyright © 2010 Ryan P. Murphy

137 It took Ms. Rally 4 hours to travel 165 kilometers due North. –What was the velocity of her car in Kilometers an hour? Copyright © 2010 Ryan P. Murphy

138 It took Ms. Rally 4 hours to travel 165 kilometers due North. –What was the velocity of her car in Kilometers an hour? Copyright © 2010 Ryan P. Murphy

139 It took Ms. Rally 4 hours to travel 165 kilometers due North. –What was the velocity of her car in Kilometers an hour? Copyright © 2010 Ryan P. Murphy

140 It took Ms. Rally 4 hours to travel 165 kilometers due North. –What was the velocity of her car in Kilometers an hour? Copyright © 2010 Ryan P. Murphy Velocity = Distance / Time

141 It took Ms. Rally 4 hours to travel 165 kilometers due North. –What was the velocity of her car in Kilometers an hour? Copyright © 2010 Ryan P. Murphy Velocity = Distance / Time Velocity = 165km / 4 h

142 It took Ms. Rally 4 hours to travel 165 kilometers due North. –What was the velocity of her car in Kilometers an hour? Copyright © 2010 Ryan P. Murphy Velocity = Distance / Time Velocity = 165km / 4 h Velocity = 41.25 km/h/North

143 Answer: 41.25 km / h / North –Velocity is distance over time and direction. Copyright © 2010 Ryan P. Murphy

144 Forces in Motion, Speed, Velocity, Acceleration and more available sheet.

145 What is the speed if the distance was 340 km and the time was 3 hours? –Was Jater speeding? Copyright © 2010 Ryan P. Murphy

146 What is the speed if the distance was 340 km and the time was 3 hours? –Was Jater speeding? Copyright © 2010 Ryan P. Murphy

147 What is the speed if the distance was 340 km and the time was 3 hours? –Was Jater speeding? Copyright © 2010 Ryan P. Murphy

148 What is the speed if the distance was 340 km and the time was 3 hours? –Was Jater speeding? Copyright © 2010 Ryan P. Murphy

149 What is the speed if the distance was 340 km and the time was 3 hours? –Was Jater speeding? Copyright © 2010 Ryan P. Murphy Speed = Distance / Time

150 What is the speed if the distance was 340 km and the time was 3 hours? –Was Jater speeding? Copyright © 2010 Ryan P. Murphy Speed = Distance / Time Speed = 340km / 3 h

151 What is the speed if the distance was 340 km and the time was 3 hours? –Was Jater speeding? Copyright © 2010 Ryan P. Murphy Speed = Distance / Time Speed = 340km / 3 h Speed = 113km/h

152 340 km / 3 hours = 113km/h –Jater was speeding. Copyright © 2010 Ryan P. Murphy

153 Forces in Motion, Speed, Velocity, Acceleration and more available sheet.

154 How far did Doc Budson travel if he was going 60 kilometers an hour for 4 straight hours? Copyright © 2010 Ryan P. Murphy

155 How far did Doc Budson travel if he was going 60 kilometers an hour for 4 straight hours? Copyright © 2010 Ryan P. Murphy

156 How far did Doc Budson travel if he was going 60 kilometers an hour for 4 straight hours? Copyright © 2010 Ryan P. Murphy

157 How far did Doc Budson travel if he was going 60 kilometers an hour for 4 straight hours? Copyright © 2010 Ryan P. Murphy

158 How far did Doc Budson travel if he was going 60 kilometers an hour for 4 straight hours? Copyright © 2010 Ryan P. Murphy Distance = Speed ● Time

159 How far did Doc Budson travel if he was going 60 kilometers an hour for 4 straight hours? Copyright © 2010 Ryan P. Murphy Distance = Speed ● Time Distance = 60km/h ● 4 h

160 How far did Doc Budson travel if he was going 60 kilometers an hour for 4 straight hours? Copyright © 2010 Ryan P. Murphy Distance = Speed ● Time Distance = 60km/h ● 4 h

161 In this case, we just multiply the distance traveled by the time. 60 km/h times 4 hours. Copyright © 2010 Ryan P. Murphy

162 60 km times 4 hours = 240 km –Check your work, 240/4 should be 60. Copyright © 2010 Ryan P. Murphy

163 Forces in Motion, Speed, Velocity, Acceleration and more available sheet.

164 What is the speed if a runner runs a distance of 400 meters in 43 seconds. Copyright © 2010 Ryan P. Murphy

165 What is the speed if a runner runs a distance of 400 meters in 43 seconds. Copyright © 2010 Ryan P. Murphy

166 What is the speed if a runner runs a distance of 400 meters in 43 seconds. Copyright © 2010 Ryan P. Murphy

167 What is the speed if a runner runs a distance of 400 meters in 43 seconds. Copyright © 2010 Ryan P. Murphy

168 What is the speed if a runner runs a distance of 400 meters in 43 seconds. Copyright © 2010 Ryan P. Murphy Speed = Distance / Time

169 What is the speed if a runner runs a distance of 400 meters in 43 seconds. Copyright © 2010 Ryan P. Murphy Speed = Distance / Time Speed = 400m / 43s

170 What is the speed if a runner runs a distance of 400 meters in 43 seconds. Copyright © 2010 Ryan P. Murphy Speed = Distance / Time Speed = 400m / 43s Speed = 9.30 m/s

171 400m / 43s = 9.30 m/s Copyright © 2010 Ryan P. Murphy

172 Forces in Motion, Speed, Velocity, Acceleration and more available sheet.

173 Video Link! (Optional) Khan Academy –Calculating Speed and Velocity. (Advanced) –Be proactive in your learning and write as he writes. –http://www.khanacademy.org/science/physics/ mechanics/v/calculating-average-velocity-or- speedhttp://www.khanacademy.org/science/physics/ mechanics/v/calculating-average-velocity-or- speed

174 Catching the Violators Available Sheet.

175 Activity! Looking for the Violators.

176 Safety is a big concern here. Students need to be far from road. Outside behavior must be excellent. Safety is a big concern here. Students need to be far from road. Outside behavior must be excellent.

177 Activity! Looking for the Violators. Safety is a big concern here. Students need to be far from road. Outside behavior must be excellent. Safety is a big concern here. Students need to be far from road. Outside behavior must be excellent. We also must try to conceal ourselves at all time. We do not want anyone to see us / slow down. We also must try to conceal ourselves at all time. We do not want anyone to see us / slow down.

178 Activity! Optional –Teacher measures out 300 feet along road and puts a cone at the start and finish a short distance from the roads edge. –From a distance, students use a stopwatch to time the speed of cars from the start cone to the finish cone. –Speed = Distance (300 ft) divided by time (ft/sec.) –Multiply by.681 (ft/sec to mph conversion) = mph –Over 30 mph is speeding in the village. –Create list of all the speeds and then average. –Does the village have a speeding problem?

179 Activity! Optional –Teacher measures out 300 feet along road and puts a cone at the start and finish a short distance from the roads edge. –From a hidden distance, students use a stopwatch to time the speed of cars from the start cone to the finish cone. –Speed = Distance (300 ft) divided by time (ft/sec.) –Multiply by.681 (ft/sec to mph conversion) = mph –Over 30 mph is speeding in the village. –Create list of all the speeds and then average. –Does the village have a speeding problem?

180 Activity! Optional –Teacher measures out 300 feet along road and puts a cone at the start and finish a short distance from the roads edge. –From a hidden distance, students use a stopwatch to time the speed of cars from the start cone to the finish cone. –Speed = Distance (300 ft) divided by time (ft/s.) –Multiply by.681 (ft/sec to mph conversion) = mph –Over 30 mph is speeding in the village. –Create list of all the speeds and then average. –Does the village have a speeding problem?

181 Activity! Optional –Teacher measures out 300 feet along road and puts a cone at the start and finish a short distance from the roads edge. –From a hidden distance, students use a stopwatch to time the speed of cars from the start cone to the finish cone. –Speed = Distance (300 ft) divided by time (ft/s.) –Multiply by.681 (ft/sec to mph conversion) = mph –Over 30 mph is speeding in the village. –Create list of all the speeds and then average. –Does the village have a speeding problem?

182 Activity! Optional –Teacher measures out 300 feet along road and puts a cone at the start and finish a short distance from the roads edge. –From a hidden distance, students use a stopwatch to time the speed of cars from the start cone to the finish cone. –Speed = Distance (300 ft) divided by time (ft/s.) –Multiply by.681 (ft/sec to mph conversion) = mph –Over 30 mph is speeding in the village. –Create list of all the speeds and then average. –Does the village have a speeding problem?

183 Activity! Optional –Teacher measures out 300 feet along road and puts a cone at the start and finish a short distance from the roads edge. –From a hidden distance, students use a stopwatch to time the speed of cars from the start cone to the finish cone. –Speed = Distance (300 ft) divided by time (ft/s.) –Multiply by.681 (ft/sec to mph conversion) = mph –Over 30 mph is speeding in the village. –Create list of all the speeds and then average. –Does the village have a speeding problem?

184 Activity! Optional –Teacher measures out 300 feet along road and puts a cone at the start and finish a short distance from the roads edge. –From a hidden distance, students use a stopwatch to time the speed of cars from the start cone to the finish cone. –Speed = Distance (300 ft) divided by time (ft/s.) –Multiply by.681 (ft/sec to mph conversion) = mph –Over 30 mph is speeding in the village. –Create list of all the speeds and then average. –Does the town have a speeding problem?

185 Available Extension PowerPoint and Available Sheets. –Metric Conversions and Scientific Notation.

186 Video Link!, Position, Velocity, and Acceleration. –Please record some of the equations when I pause the video. http://www.youtube.com/watch?v=O6Onfqt-Vzw

187 Acceleration = The rate of change in velocity. (m/s²) Acceleration = The rate of change in velocity. (m/s²) Copyright © 2010 Ryan P. Murphy

188 Acceleration = The rate of change in velocity. (m/s²) Acceleration = The rate of change in velocity. (m/s²) Copyright © 2010 Ryan P. Murphy

189 Acceleration = The rate of change in velocity. (m/s²) Acceleration = The rate of change in velocity. (m/s²) Copyright © 2010 Ryan P. Murphy

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191

192 Or… a = (v 2 − v 1 )/(t 2 − t 1 )

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194 Acceleration is measured by taking the change in velocity of an object divided by the time to change that velocity:

195 Video Link! Speed, Velocity, Acceleration –Be proactive, sketch problems in journal as completed in video. –http://www.youtube.com/watch?v=rZo8- ihCA9Ehttp://www.youtube.com/watch?v=rZo8- ihCA9E

196 Acceleration = The final velocity – the starting velocity, divided by time. Acceleration = The final velocity – the starting velocity, divided by time. Copyright © 2010 Ryan P. Murphy

197 Acceleration = The final velocity – the starting velocity, divided by time. Acceleration = The final velocity – the starting velocity, divided by time. Copyright © 2010 Ryan P. Murphy

198 Acceleration = The final velocity – the starting velocity, divided by time. Acceleration = The final velocity – the starting velocity, divided by time. Copyright © 2010 Ryan P. Murphy

199 Acceleration = The final velocity – the starting velocity, divided by time. Acceleration = The final velocity – the starting velocity, divided by time. Copyright © 2010 Ryan P. Murphy

200

201 Video Link (Optional) 100 meter final London Summer Games (Note Bolt’s acceleration) –http://www.youtube.com/watch?v=2O7K-8G2nwU (Skip ahead to 4:15 for race)http://www.youtube.com/watch?v=2O7K-8G2nwU

202 Which car accelerates the fastest in the animation below over the full distance? Copyright © 2010 Ryan P. Murphy Who do you think will win the race? Who do you think will win the race?

203 Which car accelerates the fastest in the animation below over the full distance? Copyright © 2010 Ryan P. Murphy Who do you think will win the race? Who do you think will win the race?

204 Which car accelerates the fastest in the animation below over the full distance? Copyright © 2010 Ryan P. Murphy Who do you think will win the race? Who do you think will win the race?

205 Which car accelerates the fastest in the animation below over the full distance? Copyright © 2010 Ryan P. Murphy

206 Which car accelerates the fastest in the animation below over the full distance? Copyright © 2010 Ryan P. Murphy

207 Which car accelerates the fastest in the animation below over the full distance? Copyright © 2010 Ryan P. Murphy

208 The blue car accelerates the fastest over the full distance. Copyright © 2010 Ryan P. Murphy

209 The blue car accelerates the fastest over the full distance. The red car had a good start but slowed down. (deceleration) Copyright © 2010 Ryan P. Murphy

210 The blue car accelerates the fastest over the full distance. The red car had a good start but slowed down. Copyright © 2010 Ryan P. Murphy 1 st Place 1 st Place Tie for 2 nd and 3 rd Place

211 Can you determine the speed of the green car? –Distance divided by time… (5 seconds?) Copyright © 2010 Ryan P. Murphy 100 meters

212 Answer! 20 m / sec. Copyright © 2010 Ryan P. Murphy 10 meters

213 Forces in Motion, Speed, Velocity, Acceleration and more available sheet.

214 Ratman's rat mobile is traveling at 80m/s North when it turns on its rocket boosters accelerating the rat mobile to 200 m/s in 4 seconds. –What’s the rat mobiles acceleration? Copyright © 2010 Ryan P. Murphy

215 Ratman's rat mobile is traveling at 80m/s North when it turns on its rocket boosters accelerating the rat mobile to 200 m/s in 4 seconds. –What’s the rat mobiles acceleration? Copyright © 2010 Ryan P. Murphy

216 Ratman's rat mobile is traveling at 80m/s North when it turns on its rocket boosters accelerating the rat mobile to 200 m/s in 4 seconds. –What’s the rat mobiles acceleration? Copyright © 2010 Ryan P. Murphy

217 Ratman's rat mobile is traveling at 80m/s North when it turns on its rocket boosters accelerating the rat mobile to 200 m/s in 4 seconds. –What’s the rat mobiles acceleration? Copyright © 2010 Ryan P. Murphy 200 m/s80 m/s 4 s

218 Ratman's rat mobile is traveling at 80m/s North when it turns on its rocket boosters accelerating the rat mobile to 200 m/s in 4 seconds. –What’s the rat mobiles acceleration? Copyright © 2010 Ryan P. Murphy 120 m/s 4 s

219 Ratman's rat mobile is traveling at 80m/s North when it turns on its rocket boosters accelerating the rat mobile to 200 m/s in 4 seconds. –What’s the rat mobiles acceleration? Copyright © 2010 Ryan P. Murphy

220 Ratman's rat mobile is traveling at 80m/s North when it turns on its rocket boosters accelerating the rat mobile to 200 m/s in 4 seconds. –What’s the rat mobiles acceleration? The formula for acceleration is: a = (Final velocity – starting velocity) / time. Copyright © 2010 Ryan P. Murphy

221 Ratman's rat mobile is traveling at 80m/s North when it turns on its rocket boosters accelerating the rat mobile to 200 m/s in 4 seconds. –What’s the rat mobiles acceleration? The formula for acceleration is: a = (Final velocity – starting velocity) / time. a = 200m/s -80m/s / 4 s = Copyright © 2010 Ryan P. Murphy

222 Ratman's rat mobile is traveling at 80m/s North when it turns on its rocket boosters accelerating the rat mobile to 200 m/s in 4 seconds. –What’s the rat mobiles acceleration? The formula for acceleration is: a = (Final velocity – starting velocity) / time. a = 200m/s -80m/s / 4 s = a = 120 m/s / 4 s = Copyright © 2010 Ryan P. Murphy

223 Ratman's rat mobile is traveling at 80m/s North when it turns on its rocket boosters accelerating the rat mobile to 200 m/s in 4 seconds. –What’s the rat mobiles acceleration? The formula for acceleration is: a = (Final velocity – starting velocity) / time. a = 200m/s -80m/s / 4 s = a = 120 m/s / 4 s = 30 m/s² Copyright © 2010 Ryan P. Murphy

224 Ratman's rat mobile is traveling at 80m/s North when it turns on its rocket boosters accelerating the rat mobile to 200 m/s in 4 seconds. –What’s the rat mobiles acceleration? The formula for acceleration is: a = (Final velocity – starting velocity) / time. a = 200m/s -80m/s / 4 s = a = 120 m/s / 4 s = 30 m/s² North Copyright © 2010 Ryan P. Murphy

225 A car traveling at 10 m/s starts to decelerate steadily. It comes to a complete stop in 20 seconds. –What is its acceleration / deceleration? Copyright © 2010 Ryan P. Murphy a = (v 2 − v 1 ) t

226 A car traveling at 10 m/s starts to decelerate steadily. It comes to a complete stop in 20 seconds. –What is its acceleration / deceleration? Copyright © 2010 Ryan P. Murphy a = (v 2 − v 1 ) t 0 m/s 10 m/s 20 s

227 A car traveling at 10 m/s starts to decelerate steadily. It comes to a complete stop in 20 seconds. –What is its acceleration / deceleration? Copyright © 2010 Ryan P. Murphy a = (v 2 − v 1 ) t 10 m/s 20 s

228 A car traveling at 10 m/s starts to decelerate steadily. It comes to a complete stop in 20 seconds. –What is its acceleration / deceleration? Copyright © 2010 Ryan P. Murphy a = (v 2 − v 1 ) t 10 m/s 20 s

229 Forces in Motion, Speed, Velocity, Acceleration and more available sheet.

230 A unicyclist was traveling at 2 m/s South and speed up to 6 m/s in 3 seconds. –What was the acceleration? Copyright © 2010 Ryan P. Murphy

231 A unicyclist was traveling at 2 m/s South and speed up to 6 m/s in 3 seconds. –What was the acceleration? Copyright © 2010 Ryan P. Murphy

232 A unicyclist was traveling at 2 m/s South and speed up to 6 m/s in 3 seconds. –What was the acceleration? Copyright © 2010 Ryan P. Murphy

233 A unicyclist was traveling at 2 m/s South and speed up to 6 m/s in 3 seconds. –What was the acceleration? Copyright © 2010 Ryan P. Murphy

234 The final velocity (6 m/s) minus the starting velocity (2 m/s) South divided by the time (3 seconds) = acceleration. Copyright © 2010 Ryan P. Murphy 6 m/s – 2m/s 3s – 0s

235 The final velocity (6 m/s) minus the starting velocity (2 m/s) South divided by the time (3 seconds) = acceleration. Copyright © 2010 Ryan P. Murphy 4 m/s 3s

236 The final velocity (6 m/s) minus the starting velocity (2 m/s) South divided by the time (3 seconds) = acceleration. Copyright © 2010 Ryan P. Murphy 4 m/s 3s = 1.333 m/s² South

237 Copyright © 2010 Ryan P. Murphy Acceleration: Learn more at… http://www.physicsclassroom.com/class/1dkin/u1l1e.cfm http://www.physicsclassroom.com/class/1dkin/u1l1e.cfm

238 Video Link! Khan Academy. Acceleration. (Optional) complete problems as he does. –Be active in your learning not passive. –http://www.khanacademy.org/science/physics/ mechanics/v/accelerationhttp://www.khanacademy.org/science/physics/ mechanics/v/acceleration Copyright © 2010 Ryan P. Murphy

239 Deceleration: To slow velocity. Deceleration: To slow velocity. - Copyright © 2010 Ryan P. Murphy

240 Deceleration: To slow velocity. Deceleration: To slow velocity. Formula is the same as acceleration but will be a negative value. Formula is the same as acceleration but will be a negative value. Copyright © 2010 Ryan P. Murphy

241 Deceleration: To slow velocity. Deceleration: To slow velocity. Formula is the same as acceleration but will be a negative value. Formula is the same as acceleration but will be a negative value. Copyright © 2010 Ryan P. Murphy

242

243 This PowerPoint is one small part of my Laws of Motion and Simple Machines Unit This unit includes… A 3 Part 1,500+ Slide PowerPoint 15 Page bundled homework package and 11 pages of units notes that chronologically follow the PowerPoint 2 PowerPoint review games, 20+ Videos / Links, rubrics, games, activity sheets, and more. http://www.sciencepowerpoint.com/Newtons_La ws_Motion_Machines_Unit.htmlhttp://www.sciencepowerpoint.com/Newtons_La ws_Motion_Machines_Unit.html

244 Purchase the entire four curriculum, 35,000 slides, hundreds of pages of homework, lesson notes, review games, and much more. http://www.sciencepowerpoint.com/Newtons_Laws _Motion_Machines_Unit.html Please feel free to contact me with any questions you may have. Thanks again for your interest in this curriculum. Sincerely, Ryan Murphy M.Ed www.sciencepowerpoint@gmail.com


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