Graphing Motion.

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Presentation transcript:

Graphing Motion

How can you find the speed from a distance-time graph? Slope = rise ÷ run Speed = distance ÷ time Therefore: Distance = rise Time = run The slope of a distance-time graph is speed Y2 – Y1 ------------ X2 – X1

Speedy Gonzales! Slope = Rise / Run = ? Distance (m) rise run 160 140 120 100 80 60 40 20 5 10 15 25 30 35 rise Distance (m) run Time (sec)

Bugs Bunny Slope = ? Distance (m) rise run Time (sec) 80 70 60 50 40 30 20 10 2 4 6 8 12 14 16 Slope = ? What’s Bug’s Doing here? So what’s the speed? rise Distance (m) run Time (sec)

Daffy Duck! Distance (miles) A C B Time (min) During what time did Daffy rest? During what time did Daffy walk toward the detector? 40 35 30 25 20 15 10 5 1 2 3 4 6 7 8 When did Daffy walk faster, when moving away or moving toward the detector? During what time did Daffy walk away from the detector? A Distance (miles) C B Time (min)

Graphing Motion A steeper slope on a distance-time graph indicates a higher speed.

Graphing Motion