A waterfall is 630cm high. What is the change in temperature of a quantity of water that falls from the top to the bottom of the waterfall? (Neglect heat losses to the surroundings, take g as 10 ms-2 and specific heat capacity of weather as 4200J kg-1K-1
water height as 630cm, gravity = 10m/s\(^2\), specific heat capacity of weather as 4200J
Temperature change = \(\frac{gh}{c}\) = \(\frac{630*10}{4200}\)
= 1.5C
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