Question: 7 0 . Every second at Niagara Falls, approximately 5 . 0 0 3 1 0 3 m 3 of water falls a distance of

70 .

Every second at Niagara Falls, approximately

5.00 3 103

3

of water falls a distance of

50.0

.

What is the increase in entropy per second due to the falling water? Assume the mass of the surroundings is so great that its temperature and that of the water stay nearly constant at

20.0

.

Also assume a negligible amount of water evaporates.

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