The diagram shows a cart moving freely along a track. What happens to the energy of the cart as it moves from point A to point B on the diagram?
A. Potential energy is transformed to kinetic energy.
B. Kinetic energy is transformed to potential energy.
C. Both potential energy and kinetic energy stay the same.
D. Potential energy decreases and kinetic energy stays the same.
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The diagram shows a cart moving freely along a track. What happens to the energy of the cart as it m...
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