Question: 22. Immediately after two oppositely charged balloons that had been held very close to each other are released, they start to speed up horizontally and

22. Immediately after two oppositely charged balloons that had been held very close to each other are released, they start to speed up horizontally and move toward each other. Which of the following statement regarding changes in energy is true in this situation?

  1. The only energy change involves the change in the kinetic energy of the balloons.
  2. The kinetic energy of the balloons is decreasing, while the gravitational field energy is also decreasing.
  3. The kinetic energy of the balloons is increasing, while the electric field energy is also increasing.
  4. The kinetic energy of the balloons is increasing, while the electric field energy is decreasing.
  5. The kinetic energy of the balloons is decreasing, while the gravitational field energy is increasing.

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