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When energy is used by a system, can it be "used up"? Question 22 options: a) No, all energy is converted into potential energy. b) No, energy can be converted into kinetic and potential energy. c) No, all energy is converted into kinetic energy. d) Yes, it is used up when the energy source is depleted. e) Yes, it is used up when all energy is converted into chemical energy.

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The correct option is: b) No, energy can be converted into kinetic and potential energy.

When energy is used by a system, it is not "used up" in the sense that it disappears or ceases to exist. According to the law of conservation of energy, energy cannot be created or destroyed; it can only be converted from one form to another. In various processes, energy can be transformed into different forms such as kinetic energy (the energy of motion), potential energy (stored energy), thermal energy, electrical energy, etc. Therefore, energy is not depleted or "used up" but rather converted into different forms as it is utilized by a system.
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