CBSE Class 11-science Answered
difference in the temperature of waterfall at the top and at the bottom
Asked by | 19 Apr, 2008, 06:16: PM
Expert Answer
Gravitational potential energy = mass x gravitational force x height (E = mgh),
And assuming that this is a conservative system where there is no energy loss
Loss of gravitational potential energy = gain in molecular kinetic energy of water
Temperature is a measure of kinetic energy of the molecules in a body
mgh = mass x specific heat capacity x change in temperature
You can see from the above equation that there will be a temperature difference
Answered by | 22 May, 2008, 02:23: PM
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