The Water Flowing Over Niagara Falls Drops a Distance of 50

question 11

Multiple Choice

The water flowing over Niagara Falls drops a distance of 50 m.If all the gravitational potential energy of the system water-Earth is converted to thermal energy,by what temperature does the water rise? The specific heat of water is 4186 J/kg ∙ K.

• A)0.10 C°
• B)0.12 C°
• C)0.37 C°
• D)0.42 C°

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