Physics, 31.12.2019 20:31 Lkirjnnfcxd5039
Which statement is true? the speed of sound in air is inversely proportional to the temperature of the air. the speed of sound in air is directly proportional to the temperature of the air. the speed of sound in air is twice the temperature of the air. the speed of sound in air is not affected by the temperature of the air.
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During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.
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Calculate 9 ∙ 10-5 divided by 3 ∙ 10-9. (box after the "10" in answer is for the
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Which statement is true? the speed of sound in air is inversely proportional to the temperature of...
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