Question 135

The water from a roof, 9 sq. metres in area, flows down to a cylindrical container of 900 cm$$^2$$ base. To what height will the water rise in cylinder if there is a rainfall of 0.1 mm?

Solution

Assume the height of water in the cylinder = h

Then the volume of water on the roof = 90000 square cm * 0.01 cm = 900 cubic cm

For the cylinder, we have the volume as base of area*height= 900h cubic cm.

=> 900 = h*900

=> h = 1 cm

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