Question

Review | Constants James Joule (after whom the unit of energy is named) claimed that the water at the bottom of Niagara Falls should be warmer than the water at the top, 51 m above the bottorn. He reasoned that the falling water would transform its gravitational potential energy at the top into thermal energy at the bottom, where turbulence brings the water almost toa halt

Answer 1

Loss in gravitational Potential Energy is converted into thermal Energy mgh = ms delta T delta T = gh/s delta T = 9.8 times 51/4190 delta T = 0.119 degree c delta T = 0.12 degree c