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You have a ball in your hand above the ground at rest which you then drop. What energy is involved in each part of this situation and how do we know that total mechanical energy has been conserved? Explain
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You have a ball in your hand above the ground at rest which you then drop. What energy is involved in each part of this situation and how do we know that total mechanical energy has been conserved? Explain with and without air resistance present.

User John Ptacek
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When you hold the ball, you have potential energy, when you drop the ball, you have kinetic. 
User AaronLS
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