Graphing energy conversions
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Graphing Energy Conversions PowerPoint PPT Presentation


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Graphing Energy Conversions. All Energy is the ability to do work – we just have different clues to keep track of!. Gravitational PE Height above ground Elastic PE Stretching or Compression Chemical PE Food (not yet eaten) Gasoline (not yet burned) Battery (not yet used).

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Graphing Energy Conversions

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Graphing Energy Conversions


All Energy is the ability to do work – we just have different clues to keep track of!

  • Gravitational PE

    • Height above ground

  • Elastic PE

    • Stretching or Compression

  • Chemical PE

    • Food (not yet eaten)

    • Gasoline (not yet burned)

    • Battery (not yet used)


Gravitational PE

Any time an object has height above a reference point.

Can have Kinetic Energy at the same time.


Let’s look at it in action!

PE & KE


Before it drops, 6 meters high


Dropping, at 5 meters


Dropping, at 3 meters


Dropping, at 1 meter


Right before it hits the ground


Practice: Graph the Energy in the Rubber Band at these 3 points in time

  • Lamar stretches a rubber band and points it at Ms. Nicholson.

  • He lets go and it launches through the air.

  • His aim is bad and it misses Ms. Nicholson and falls on the floor. (Graph the energy RIGHT BEFORE it hits the floor!)


Lamar stretches a rubber band and points it at Ms. Nicholson.


He lets go and it launches through the air.


His aim is bad and it misses Ms. Nicholson and falls on the floor. (Graph the energy RIGHT BEFORE it hits the floor!)


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