The rain falls on on a roof 18 m in length and 16.5m in breadth is allowed to be stored in a cylindrical tank of diameter 8 m. If it rais 10 cm on a day, thenwhat is the rise in water level in the tank due to it ?
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approximately 0.6 mts
ysampatkumar:
Thank you
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Length of the water on a roof = 18 m
Breadth of the water on a roof = 16.5 m
Height of the water on a roof = 10 cm = 0.1 m
Volume of the water on a roof = Length x Breadth x Height = 18 m x 16.5 m x 0.1 m = 29.7 m3
Since water is to be stored in the cylindrical tank, the volume of water on a roof is equal to the volume of a cylindrical tank.
Volume of cylindrical tank = Πr2h=29.7m3
h = 1232227×(4)2=0.5906m=59.06cm
Thus, the rise of water level in the tank is 59.06 cm.
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