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The height of Niagra falls is 50 m. Calc...

The height of Niagra falls is 50 m. Calculate the difference in temperature of water at the top and at the bottom of fall, if `J = 4.2 J cal^(-1)`.

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Verified by Experts

P.E. is converted into heat, mgh=`JmSDeltat`
`Deltat=(gh)/(JS)=(980xx5000)(4.2xx10^(7))=0.117^(@)C`.
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