In which case would the kinetic energy of particles be increasing?
As the particles are heated, their vibrations and kinetic energy increase.
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Responses
The kinetic energy of particles increases if metal is heated from room temperature to 200°C.
The kinetic energy of particles increases if metal is cooled from 200°C to 37°C.
The kinetic energy of particles increases if metal is cooled at 1,300°C.
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The correct response is:
The kinetic energy of particles increases if metal is heated from room temperature to 200°C.
When particles are heated, they absorb energy, which increases their kinetic energy and causes them to vibrate more vigorously. In contrast, cooling decreases the kinetic energy of the particles.
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