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14.05.2021 •
Physics
What is the total mechanical energy of a penny dropped off of the top of the Empire State Building if it has a potential energy of 47 J, and a kinetic energy of 23 J?
18 J
24 J
70 J
667 J
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Ответ:
When a skydiver first jumps off a plane potential energy (energy in an object due to its position) will be converted into kinetic energy (energy which a body possesses because of its motion.)
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