Q1)Why the rate of evaporation increases as the
pressure of the liquid decreases?
Q2)Why the loudness of a sound increases as the
square of amplitude increases?
Physics problems(heat&wave)
2009-04-06 3:22 am
回答 (1)
2009-04-06 4:10 am
✔ 最佳答案
Q1:It is because the pressure(it means the density)increases,so that in the same size of liquid ,higher pressure contains more liquid ,so the rate of evaporation increases.Q2:The square of amplitude increases,it can makes the sound reflection reflect more sound.
Q3:It means the distance of force.
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