Physics
WAEC 1988
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
Correct Answer: Option E
Explanation
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