Why does sound travel faster in hot air than cold air? * A. Because the hot particles of air gain more kinetic energy and so there is also an increase in mean velocity of the molecules air B. Because the hot particles of air gain more potential energy and so there is also an increase in the mean velocity of the molecules of air C. Because the particles of the air vibrates faster when it is hot. D. Because the particles of the air moves faster when it is hot.
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B. Because the hot particles of air gain more potential energy and so there is also an increase in the mean velocity of the molecules of air
Sound travels faster in warm air compared with cold air “because the air molecules are traveling faster in warm air.”
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