A catapult is used to project a stone. Which of the following energy conversions takes place as the stone is released?
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A
The kinetic energy of the stone is converted into gravitational potential energy
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B
The gravitational potential energy of the catapult is converted into kinetic energy of the stone
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C
The gravitational potential energy is converted into elastic potential energy
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D
The elastic potential energy of the catapult is converted into gravitational potential energy of the stone
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E
None of the above
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