Presentation on theme: "The Length of a Straight Line Path Between Two Points is the.."— Presentation transcript:
1The Length of a Straight Line Path Between Two Points is the.. SpeedAreaDistanceVolumeAnswer NowSecondsRemaining123456789101112131415161718192021222324252627282930
2Which of the Measurements Shown Below are Distance? 68 km/hr12 cm/s68 sAnswer Now123456789101112131415161718192021222324252627282930
3Which of the Following Are Speeds(Choose one)? How fast a car movesLength of a Race TrackPath of an ElevatorRate a Person Slides Down a RopeAnswer Now:00123456789101112131415161718192021222324252627282930
4A Rocks Mass Is A Chemical Property Physical Property Constant PropertyAll of the AboveAnswer NowVOTE123456789101112131415161718192021222324252627282930
5Because speed is a Measure of Distance Traveled Per Unit Time, Units for Speed are.. M/sCm/hMi/hFt/minM/hAll of the AboveAnswer Now123456789101112131415161718192021222324252627282930
6Which of the Following Describe Both Speed and Direction(Choose one)? Answer Now65 m/s for and Hour35 mi/h North9.8 m/s Down3.25 cm to the Right53.7 km/h up4.1 m/s to the East123456789101112131415161718192021222324252627282930
7Which of the Following is Harder to Stop? A baseball traveling at 60 mi/hrA car rolling at 5 mi/hrAnswer Now123456789101112131415161718192021222324252627282930
9ObjectivesExplain the relationship between motion and a frame of reference.Relate speed to distance and time.Distinguish between speed and velocity.Solve problems related to time, distance, displacement, speed, and velocity.
10MotionMotion (Quick Time Movie) = Object’s change in position relative to a reference pointDisplacement = Change in the position of an objectDistance measures the path taken.Displacement is the change of an object’s position. Displacement must always indicate direction.Quick Time Movie Relative Motion
12Velocity ObjectivesDescribe the concept of acceleration as a change in velocity.Explain why circular motion is continuous acceleration even when the speed does not change.Calculate acceleration as the rate at which velocity changes.Graph acceleration on a velocity-time graph.
13Speed and Velocity What’s the difference between speed and velocity? Speed = How fast an object movesVelocity = Speed in a given directionSpeed = Distance TraveledTime to Travel the DistanceSI Unit for Speed = m/sConstant Speed = Equal distance in Equal amounts of TimeSpeed Quick Time Movie
14Speed = distance/time When Solving for Full Credit (v = d/t) Quick time movie VelocityWhen Solving for Full CreditGiven InfoWrite EquationSubstitute Given InfoSolve for UnknownWrite Answer with Proper UnitsAlways use correct Sig Figs and Scientific Notation!!
15Speed and Velocity Speed can be studied with Graphs and Equations Distance Time GraphSlope = Speed
16A car traveled 3. 5 E2 miles toward New York City for 5 hours A car traveled 3.5 E2 miles toward New York City for 5 hours. What was the velocity of the car?
17A car traveled 3. 5 E1 miles/hour for 4 hours toward Chicago A car traveled 3.5 E1 miles/hour for 4 hours toward Chicago. How far did the car travel?
18A plane travels 1. 925 E3 miles toward Colorado at a velocity of 5 A plane travels E3 miles toward Colorado at a velocity of 5.50 E2 miles/hour. How long has the plane been traveling?
19Instantaneous speed is the speed at a given point in time. Constant Speed –objects covering equal distances in equal amounts of timeInstantaneous speed is the speed at a given point in time.What units do you measure speed in?mi/hr = Englishm/s = SI Unitkm/hr = Metric Unit
20A car travels 4. 0 E1 km in 2 hours towards Nevada A car travels 4.0 E1 km in 2 hours towards Nevada. What is the cars Velocity?Answer Now20 m/hr20 km/hr20 mi/hr South20 km/hr towards Nevada:20123456789101112131415161718192021222324252627282930
2135Scooter is driving down 9th Street in his 1962 Corvette. He drives 1.2 E2 meters in 1.7 E1 seconds. Assuming that he does not speed up or slow down, what is his speed in meters per second?6 m/s down 9th st7 m/s down 9th st1.4 E-1 m/s7 m/sAnswer Now123456789101112131415161718192021222324252627282930
22Liesel Kunz is running along a track that is 2. 51 E2 meters long Liesel Kunz is running along a track that is 2.51 E2 meters long. It takes her 1.26 E1 seconds to run the entire length of the track. What is her speed in meters per second?351.99 E1 mi/s1.99 E1 m/s5 E-2 m/s along the track5 E-2 m/sAnswer Now123456789101112131415161718192021222324252627282930
23What changes with a change in direction: Velocity or Speed? Answer Now8123456789101112131415161718192021222324252627282930
24Can Speed Be Graphed? Yes No Answer Now 5 1 2 3 4 5 6 7 8 9 10 11 12 131415161718192021222324252627282930
25Slope of the line = Average Speed Speed can be graphed!Distance-time graph.Slope of the line = Average SpeedQuick Time Movie Average SpeedWhat is the average speed of the racecar?
26Constant Velocity: Moving Towards Frame of Reference
27Constant Velocity: Moving Away Frame of Reference
33Example ProblemA motor boat traveling 4 m/s, East encounters a current traveling 3.0 m/s, North.What is the resultant velocity of the motor boat?If the width of the river is 80 meters wide, then how much time does it take the boat to travel shore to shore?What distance downstream does the boat reach the opposite shore?
34Conversions are Needed: English to Metric SpeedsDimensional AnalysisSI Unit to Metric SpeedsMetric ConversionIn order to convert you need to use conversion factors and D.A1 mile = km = 1609 m1 ft = 12 in = cm = m1 yd = 3 ft = m1 in = 2.54 cm = m1 hr = 60 min = 3600 s
35Convert the following English Standard Units to Metric Units. A football field is 100 yards long. How long is that in meters?
36If I were to hit a home run down the left side of Jacobs Field the ball would have to travel at least 3.25 E2 feet. How far is that in Meters?
37A horse can gallop at a speed of 4. 2 E1 miles/hour A horse can gallop at a speed of 4.2 E1 miles/hour. How fast can the horse gallop in meters/second?
38A race car can travel around 2. 25 E2 mi/hr A race car can travel around 2.25 E2 mi/hr. How many meters can it travel in 1.5 E1 s?
39A person can walk about 3.1 mi/hr How many hours would it take them to travel 10 km?