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Friday Start-Up

Friday Start-Up. 2 students ran a race. Below are the graphs of distance vs time for the race. Which student was fastest? How do you know?. Answer this question on this week’s agenda (page 9):. Keri. Rob. Table of Contents August 30 Speed & Velocity Page 14. Speed.

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Friday Start-Up

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  1. Friday Start-Up 2 students ran a race. Below are the graphs of distance vs time for the race. Which student was fastest? How do you know? Answer this question on this week’s agenda (page 9): Keri Rob

  2. Table of ContentsAugust 30Speed & VelocityPage 14

  3. Speed A measure of how fast something moves or the distance it moves in a given amount of time Speed = distance / time Examples of units: meters/second, miles/hour

  4. Velocity Speed in a given direction Speed = distance / time + direction Examples: meters/second north, miles/hour south

  5. Vector A quantity that has both size and direction Example: velocity (speed and direction) Not a vector: speed (only has a size, no direction)

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