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Lecture 14

Lecture 14. Gravitational Potential Energy. (force against gravity). Lift by h. When the ball is released, there is a downward acceleration over h. What is potential energy?. Amount of work done to build up PE Amount of K released. PE released. KE gained. (total energy is constant).

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Lecture 14

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  1. Lecture 14 Gravitational Potential Energy (force against gravity) Lift by h When the ball is released, there is a downward acceleration over h What is potential energy? Amount of work done to build up PE Amount of K released PE released KE gained (total energy is constant)

  2. E: downhill

  3. Force due to E on q (down hill) Δl: pushing from B to A (up hill) Potential:

  4. Fig(clicker) 14.3 Solution: (Downhill)

  5. Potential Due to a Point Charge

  6. From Potential to Electric Field

  7. Fig(clicker) 14.5 Consider

  8. Explanation:

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