Goes down as the temperature decreases, and vice versa. Sound's frequency is independent of temperature, while its speed is directly proportional to temperature. Heat, like sound, is a form of kinetic energy. Molecules at higher temperatures have more energy, thus they can vibrate faster. Since the molecules vibrate faster, sound waves can travel more quickly. ... This is faster than 331 meters per second, which is the speed of sound in air at freezing temperatures.
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<span>Social movements like labor reform and abolition</span>
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Passed on March 11, 1941, this act set up a system that would allow the United States to lend or lease war supplies to any nation deemed "vital to the defense of the United States."
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Terms in this set (22) An eighteenth century intellectual movement whose three central concepts were the use of reason, the scientific method, and progress. Enlightenment thinkers believed they could help create better societies and better people.
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C
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because the number of Americans migrating increased and republicans got a reason to make