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Speed, Velocity, Acceleration PowerPoint PPT Presentation


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Speed, Velocity, Acceleration. Speed. The distance traveled by an object in a given amount of time. How fast an object is traveling. Speed = distance ÷ time. Speed Graph- Not moving. The graph shows an object not changing its distance, so there is no motion. Distance. Time.

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Speed, Velocity, Acceleration

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Speed, Velocity, Acceleration


Speed

  • The distance traveled by an object in a given amount of time.

  • How fast an object is traveling.

  • Speed = distance ÷ time


Speed Graph- Not moving

  • The graph shows an object not changing its distance, so there is no motion.

Distance

Time


Speed Graph- Constant

  • The graph shows an object moving at a constant speed. (the graph is straight diagonal line)

Distance

Distance

Time

Time


Speed Graph- Not Constant

  • The graph shows an object NOT moving at a constant speed.


Velocity

  • An object’s speed and direction at a given instant.

  • Speed + Direction

50 m/s to the East


Velocity Graphs

  • The graph below graphs an object’s velocity.

    What is happening to the object’s velocity?

    What is different about this graph from the others we have looked at?

Speed

Time


Acceleration

  • Change in an object’s speed or direction (its velocity) over time.

  • Speeds up, slows down

  • Turns around, makes a turn


Acceleration Graph Distance vs. Time

  • The graph below shows an object accelerating (curved line on distance vs. time graph)


Acceleration GraphsVelocity (speed) vs. Time

  • The graph below shows an object accelerating (diagonal line on a speed vs. time graph)


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