Physics - Heat & Thermo Question with Solution | TestHub

A waterfall is 100 m high. Sixty percent of the loss of gravitational potential energy heats the water. With $g=10\mathrm{m}{\mathrm{s}}^{-2}$ and $c_w=4000\mathrm{J}{\mathrm{kg}}^{-1}{\mathrm{K}}^{-1}$, find its temperature rise in K.