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Skateboarder Energy Graphs

Page history last edited by Joe Redish 5 years, 8 months ago

6.3.P10

 

For this problem, take the 0 of potential energy to be at the top of the track shown (above where the skateboarder is starting).

 

In the Energy Skate Park setup shown above, the skateboarder starts at point A at rest. Consider the following graphs:

 

For one cycle of the skateboarder's motion (from A to B back to A), which of these graphs could represent the skater's...

  1. Kinetic Energy vs position
  2. Potential Energy vs position
  3. Total Energy vs position


Over one full cycle (from start back to the starting point), which of these could represent the skater's...

 

  1. Kinetic Energy vs time
  2. Potential Energy vs time
  3. Total Energy vs time

 

Now, imagine that the skater comes in from the flat part of the track on the left with some initial speed. As the skateboarder travels from A to B, which of these graphs could represent the skater's...

  1. Kinetic Energy vs position
  2. Potential Energy vs position
  3. Total Energy vs position
  4. Kinetic Energy vs time
  5. Potential Energy vs time
  6. Total Energy vs time

 

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