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MCAS Physics Exam Practice

Category - Introductory Physics

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Thermal energy is added to four identical 1.0 kg samples of water at room temperature. Which of the following increases in each sample?

average charge of an electron
average density of a nucleus
average mass of a proton
average speed of a molecule

Explanation

Answer: D - average speed of a molecule

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MCAS Physics Exam Practice

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MCAS Physics Exam Practice

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